Title: [171222] trunk
Revision
171222
Author
commit-qu...@webkit.org
Date
2014-07-18 09:53:51 -0700 (Fri, 18 Jul 2014)

Log Message

Unreviewed, rolling out r171218.
https://bugs.webkit.org/show_bug.cgi?id=135055

Made fast/dom/HTMLObjectElement/beforeload-set-text-
crash.xhtml crash (Requested by ap on #webkit).

Reverted changeset:

"REGRESSION (r169105): Crash in selection"
https://bugs.webkit.org/show_bug.cgi?id=134303
http://trac.webkit.org/changeset/171218

Modified Paths

Removed Paths

Diff

Modified: trunk/LayoutTests/ChangeLog (171221 => 171222)


--- trunk/LayoutTests/ChangeLog	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/LayoutTests/ChangeLog	2014-07-18 16:53:51 UTC (rev 171222)
@@ -1,3 +1,17 @@
+2014-07-18  Commit Queue  <commit-qu...@webkit.org>
+
+        Unreviewed, rolling out r171218.
+        https://bugs.webkit.org/show_bug.cgi?id=135055
+
+        Made fast/dom/HTMLObjectElement/beforeload-set-text-
+        crash.xhtml crash (Requested by ap on #webkit).
+
+        Reverted changeset:
+
+        "REGRESSION (r169105): Crash in selection"
+        https://bugs.webkit.org/show_bug.cgi?id=134303
+        http://trac.webkit.org/changeset/171218
+
 2014-07-18  Mario Sanchez Prada  <mario.pr...@samsung.com>
 
         [GTK] Unreviewed GTK gardening. Tests passing after SVN r171001

Deleted: trunk/LayoutTests/fast/regions/selection/crash-deselect-expected.txt (171221 => 171222)


--- trunk/LayoutTests/fast/regions/selection/crash-deselect-expected.txt	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/LayoutTests/fast/regions/selection/crash-deselect-expected.txt	2014-07-18 16:53:51 UTC (rev 171222)
@@ -1,5 +0,0 @@
-CONSOLE MESSAGE: line 66: HierarchyRequestError: DOM Exception 3: A Node was inserted somewhere it doesn't belong.
-
-Errlog selectionTest: HierarchyRequestError: HierarchyRequestError: DOM Exception 3 : index 1 
-Errlog webtest_fn_24: 
-

Deleted: trunk/LayoutTests/fast/regions/selection/crash-deselect.html (171221 => 171222)


--- trunk/LayoutTests/fast/regions/selection/crash-deselect.html	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/LayoutTests/fast/regions/selection/crash-deselect.html	2014-07-18 16:53:51 UTC (rev 171222)
@@ -1,72 +0,0 @@
-<!DOCTYPE html>
-<html id="webtest0">
-    <head id="webtest1">
-        <style id="webtest2"></style>
-        <style>
-            :last-child { -webkit-flow-into: foo; }
-        </style>
-        
-    </head>
-    <body id="webtest3">
-        <script id="example"></script>
-
-        <script type="text/_javascript_">
-            if (window.testRunner)
-                testRunner.dumpAsText(false);
-        </script>
-
-        <script>
-            var new_elem = document.createElement("canvas");
-            new_elem.setAttribute("id", "webtest11");
-            document.querySelector("#webtest0").appendChild(new_elem);
-
-            document.write("<br><summary>");
-        </script>
-        <summary>
-            <mathml id="webtest12">
-                <femerge></femerge>
-            </mathml>
-
-            <script>
-                function selectionTest() {
-                    try {
-                        wf_i = 0;
-                        for (; wf_i<40; wf_i++) {
-                            var range = document.createRange();
-
-                            range.setStartBefore(document.getElementById("webtest3"));
-                            range.setEndAfter(document.getElementById("webtest2"));
-                            range.deleteContents();
-                            
-                            var markElement = document.getElementById("webtest1").appendChild(document.createElementNS("", "mark"));
-                            range.setStartAfter(markElement);
-
-                            var appletElement = document.getElementById("example").appendChild(document.createElement("applet"));
-                            range.setEndAfter(appletElement);
-
-                            range.insertNode(document.getElementById("example"));
-                        }
-                    } catch(e) {
-                      document.write("Errlog selectionTest: " + e.name + ": " + e.message + " : index " + wf_i + " <br><table/>");
-                    }
-                }
-                selectionTest();
-            </script>
-            <sub>
-
-            <script>
-                document.designMode = "on";
-                document.execCommand("SelectAll");
-                document.write("Errlog webtest_fn_24: <br><nobr>");
-
-                var femergeElement = document.getElementById("webtest12").appendChild(document.createElement("femerge"));
-                var appletElement = document.getElementById("example").appendChild(document.createElement("applet"));
-                var gradientElement = document.body.appendChild(document.createElement("gradient"));
-                        
-                document.getElementById("webtest2").isEqualNode(femergeElement.insertBefore(document.documentElement, gradientElement));
-            </script>
-
-            <table></table>
-        </summary>
-    </body>
-</html>

Modified: trunk/Source/WebCore/ChangeLog (171221 => 171222)


--- trunk/Source/WebCore/ChangeLog	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/Source/WebCore/ChangeLog	2014-07-18 16:53:51 UTC (rev 171222)
@@ -1,3 +1,17 @@
+2014-07-18  Commit Queue  <commit-qu...@webkit.org>
+
+        Unreviewed, rolling out r171218.
+        https://bugs.webkit.org/show_bug.cgi?id=135055
+
+        Made fast/dom/HTMLObjectElement/beforeload-set-text-
+        crash.xhtml crash (Requested by ap on #webkit).
+
+        Reverted changeset:
+
+        "REGRESSION (r169105): Crash in selection"
+        https://bugs.webkit.org/show_bug.cgi?id=134303
+        http://trac.webkit.org/changeset/171218
+
 2014-07-18  Radu Stavila  <stav...@adobe.com>
 
         REGRESSION (r169105): Crash in selection

Modified: trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj (171221 => 171222)


--- trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2014-07-18 16:53:51 UTC (rev 171222)
@@ -466,7 +466,7 @@
 		0F09087F1444FDB200028917 /* ScrollbarTheme.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0FE71415142189FC00DB33BA /* ScrollbarTheme.cpp */; };
 		0F099D0817B968A100FF84B9 /* WebCoreTypedArrayController.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0F099D0617B968A100FF84B9 /* WebCoreTypedArrayController.cpp */; };
 		0F099D0917B968A100FF84B9 /* WebCoreTypedArrayController.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F099D0717B968A100FF84B9 /* WebCoreTypedArrayController.h */; settings = {ATTRIBUTES = (Private, ); }; };
-		0F11A54F0F39233100C37884 /* RenderSelectionInfo.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F11A54E0F39233100C37884 /* RenderSelectionInfo.h */; settings = {ATTRIBUTES = (Private, ); }; };
+		0F11A54F0F39233100C37884 /* RenderSelectionInfo.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F11A54E0F39233100C37884 /* RenderSelectionInfo.h */; };
 		0F13163E16ED0CC80035CC04 /* PlatformCAFilters.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F13163D16ED0CC80035CC04 /* PlatformCAFilters.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		0F13164016ED0CDE0035CC04 /* PlatformCAFiltersMac.mm in Sources */ = {isa = PBXBuildFile; fileRef = 0F13163F16ED0CDE0035CC04 /* PlatformCAFiltersMac.mm */; };
 		0F15DA8A0F3AAEE70000CE47 /* AnimationControllerPrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F15DA890F3AAEE70000CE47 /* AnimationControllerPrivate.h */; };

Modified: trunk/Source/WebCore/rendering/RenderBlock.cpp (171221 => 171222)


--- trunk/Source/WebCore/rendering/RenderBlock.cpp	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/Source/WebCore/rendering/RenderBlock.cpp	2014-07-18 16:53:51 UTC (rev 171222)
@@ -1828,8 +1828,8 @@
         || isRenderFlowThread() || style().columnSpan() == ColumnSpanAll)
         return true;
     
-    if (view().selectionUnsplitStart()) {
-        Node* startElement = view().selectionUnsplitStart()->node();
+    if (view().selectionStart()) {
+        Node* startElement = view().selectionStart()->node();
         if (startElement && startElement->rootEditableElement() == element())
             return true;
     }

Modified: trunk/Source/WebCore/rendering/RenderSelectionInfo.h (171221 => 171222)


--- trunk/Source/WebCore/rendering/RenderSelectionInfo.h	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/Source/WebCore/rendering/RenderSelectionInfo.h	2014-07-18 16:53:51 UTC (rev 171222)
@@ -25,9 +25,8 @@
 #ifndef RenderSelectionInfo_h
 #define RenderSelectionInfo_h
 
-#include "GapRects.h"
 #include "IntRect.h"
-#include "RenderBlock.h"
+#include "RenderBox.h"
 #include "RenderText.h"
 
 namespace WebCore {

Modified: trunk/Source/WebCore/rendering/RenderView.cpp (171221 => 171222)


--- trunk/Source/WebCore/rendering/RenderView.cpp	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/Source/WebCore/rendering/RenderView.cpp	2014-07-18 16:53:51 UTC (rev 171222)
@@ -96,10 +96,10 @@
 RenderView::RenderView(Document& document, PassRef<RenderStyle> style)
     : RenderBlockFlow(document, WTF::move(style))
     , m_frameView(*document.view())
-    , m_unsplitSelectionStart(0)
-    , m_unsplitSelectionEnd(0)
-    , m_unsplitSelectionStartPos(-1)
-    , m_unsplitSelectionEndPos(-1)
+    , m_selectionStart(0)
+    , m_selectionEnd(0)
+    , m_selectionStartPos(-1)
+    , m_selectionEndPos(-1)
     , m_rendererCount(0)
     , m_maximalOutlineSize(0)
     , m_lazyRepaintTimer(this, &RenderView::lazyRepaintTimerFired)
@@ -842,22 +842,19 @@
     bool caretChanged = m_selectionWasCaret != frame().selection().isCaret();
     m_selectionWasCaret = frame().selection().isCaret();
     // Just return if the selection hasn't changed.
-    if (m_unsplitSelectionStart == start && m_unsplitSelectionStartPos == startPos
-        && m_unsplitSelectionEnd == end && m_unsplitSelectionEndPos == endPos && !caretChanged) {
+    if (m_selectionStart == start && m_selectionStartPos == startPos &&
+        m_selectionEnd == end && m_selectionEndPos == endPos && !caretChanged)
         return;
-    }
 
     // Set global positions for new selection.
-    m_unsplitSelectionStart = start;
-    m_unsplitSelectionStartPos = startPos;
-    m_unsplitSelectionEnd = end;
-    m_unsplitSelectionEndPos = endPos;
+    m_selectionStart = start;
+    m_selectionStartPos = startPos;
+    m_selectionEnd = end;
+    m_selectionEndPos = endPos;
 
     // If there is no RenderNamedFlowThreads we follow the regular selection.
     if (!hasRenderNamedFlowThreads()) {
-        RenderSubtreesMap singleSubtreeMap;
-        singleSubtreeMap.set(this, SelectionSubtreeRoot(start, startPos, end, endPos));
-        updateSelectionForSubtrees(singleSubtreeMap, blockRepaintMode);
+        setSubtreeSelection(*this, start, startPos, end, endPos, blockRepaintMode);
         return;
     }
 
@@ -867,6 +864,7 @@
 void RenderView::splitSelectionBetweenSubtrees(RenderObject* start, int startPos, RenderObject* end, int endPos, SelectionRepaintMode blockRepaintMode)
 {
     // Compute the visible selection end points for each of the subtrees.
+    typedef HashMap<SelectionSubtreeRoot*, SelectionSubtreeRoot> RenderSubtreesMap;
     RenderSubtreesMap renderSubtreesMap;
 
     SelectionSubtreeRoot initialSelection;
@@ -900,49 +898,33 @@
             renderSubtreesMap.set(&root, selectionData);
         }
     }
-    
-    updateSelectionForSubtrees(renderSubtreesMap, blockRepaintMode);
-}
 
-void RenderView::updateSelectionForSubtrees(RenderSubtreesMap& renderSubtreesMap, SelectionRepaintMode blockRepaintMode)
-{
-    SubtreeOldSelectionDataMap oldSelectionDataMap;
-    for (auto it = renderSubtreesMap.begin(); it != renderSubtreesMap.end(); ++it) {
-        std::unique_ptr<OldSelectionData> oldSelectionData = std::make_unique<OldSelectionData>();
-        clearSubtreeSelection(*it->key, blockRepaintMode, *oldSelectionData);
-        oldSelectionDataMap.set(it->key, std::move(oldSelectionData));
-
-        SelectionSubtreeRoot& subtreeSelectionData = it->value;
+    for (RenderSubtreesMap::iterator i = renderSubtreesMap.begin(); i != renderSubtreesMap.end(); ++i) {
+        SelectionSubtreeRoot subtreeSelectionData = i->value;
         subtreeSelectionData.adjustForVisibleSelection(document());
-        
-        SelectionSubtreeRoot& root = *it->key;
-        root.setSelectionStart(subtreeSelectionData.selectionStart());
-        root.setSelectionStartPos(subtreeSelectionData.selectionStartPos());
-        root.setSelectionEnd(subtreeSelectionData.selectionEnd());
-        root.setSelectionEndPos(subtreeSelectionData.selectionEndPos());
+        setSubtreeSelection(*i->key, subtreeSelectionData.selectionStart(), subtreeSelectionData.selectionStartPos(),
+            subtreeSelectionData.selectionEnd(), subtreeSelectionData.selectionEndPos(), blockRepaintMode);
     }
-
-    // Update selection status for the objects inside the selection subtrees.
-    // This needs to be done after the previous loop updated the selectionStart/End
-    // parameters of all subtrees because we're going to be climbing up the containing
-    // block chain and we might end up in a different selection subtree.
-    for (auto it = renderSubtreesMap.begin(); it != renderSubtreesMap.end(); ++it) {
-        SelectionSubtreeRoot subtreeSelectionData = it->value;
-        OldSelectionData& oldSelectionData = *oldSelectionDataMap.get(it->key);
-        applySubtreeSelection(*it->key, subtreeSelectionData.selectionStart(), subtreeSelectionData.selectionEnd(), subtreeSelectionData.selectionEndPos(), blockRepaintMode, oldSelectionData);
-    }
 }
 
-void RenderView::clearSubtreeSelection(const SelectionSubtreeRoot& root, SelectionRepaintMode blockRepaintMode, OldSelectionData& oldSelectionData)
+void RenderView::setSubtreeSelection(SelectionSubtreeRoot& root, RenderObject* start, int startPos, RenderObject* end, int endPos, SelectionRepaintMode blockRepaintMode)
 {
     // Record the old selected objects.  These will be used later
     // when we compare against the new selected objects.
-    oldSelectionData.selectionStartPos = root.selectionStartPos();
-    oldSelectionData.selectionEndPos = root.selectionEndPos();
-    
+    int oldStartPos = root.selectionStartPos();
+    int oldEndPos = root.selectionEndPos();
+
+    // Objects each have a single selection rect to examine.
+    typedef HashMap<RenderObject*, std::unique_ptr<RenderSelectionInfo>> SelectedObjectMap;
+    SelectedObjectMap oldSelectedObjects;
+    SelectedObjectMap newSelectedObjects;
+
     // Blocks contain selected objects and fill gaps between them, either on the left, right, or in between lines and blocks.
     // In order to get the repaint rect right, we have to examine left, middle, and right rects individually, since otherwise
     // the union of those rects might remain the same even when changes have occurred.
+    typedef HashMap<RenderBlock*, std::unique_ptr<RenderBlockSelectionInfo>> SelectedBlockMap;
+    SelectedBlockMap oldSelectedBlocks;
+    SelectedBlockMap newSelectedBlocks;
 
     RenderObject* os = root.selectionStart();
     RenderObject* stop = rendererAfterPosition(root.selectionEnd(), root.selectionEndPos());
@@ -951,11 +933,11 @@
         if ((os->canBeSelectionLeaf() || os == root.selectionStart() || os == root.selectionEnd())
             && os->selectionState() != SelectionNone) {
             // Blocks are responsible for painting line gaps and margin gaps.  They must be examined as well.
-            oldSelectionData.selectedObjects.set(os, std::make_unique<RenderSelectionInfo>(os, true));
+            oldSelectedObjects.set(os, std::make_unique<RenderSelectionInfo>(os, true));
             if (blockRepaintMode == RepaintNewXOROld) {
                 RenderBlock* cb = os->containingBlock();
                 while (cb && !cb->isRenderView()) {
-                    std::unique_ptr<RenderBlockSelectionInfo>& blockInfo = oldSelectionData.selectedBlocks.add(cb, nullptr).iterator->value;
+                    std::unique_ptr<RenderBlockSelectionInfo>& blockInfo = oldSelectedBlocks.add(cb, nullptr).iterator->value;
                     if (blockInfo)
                         break;
                     blockInfo = std::make_unique<RenderBlockSelectionInfo>(cb);
@@ -967,13 +949,17 @@
         os = selectionIterator.next();
     }
 
-    auto oldObjectsEnd = oldSelectionData.selectedObjects.end();
-    for (auto i = oldSelectionData.selectedObjects.begin(); i != oldObjectsEnd; ++i)
+    // Now clear the selection.
+    SelectedObjectMap::iterator oldObjectsEnd = oldSelectedObjects.end();
+    for (SelectedObjectMap::iterator i = oldSelectedObjects.begin(); i != oldObjectsEnd; ++i)
         i->key->setSelectionStateIfNeeded(SelectionNone);
-}
 
-void RenderView::applySubtreeSelection(SelectionSubtreeRoot& root, RenderObject* start, RenderObject* end, int endPos, SelectionRepaintMode blockRepaintMode, const OldSelectionData& oldSelectionData)
-{
+    // set selection start and end
+    root.setSelectionStart(start);
+    root.setSelectionStartPos(startPos);
+    root.setSelectionEnd(end);
+    root.setSelectionEndPos(endPos);
+
     // Update the selection status of all objects between selectionStart and selectionEnd
     if (start && start == end)
         start->setSelectionStateIfNeeded(SelectionBoth);
@@ -985,8 +971,8 @@
     }
 
     RenderObject* o = start;
-    RenderObject* stop = rendererAfterPosition(end, endPos);
-    SelectionIterator selectionIterator(o);
+    stop = rendererAfterPosition(end, endPos);
+    selectionIterator = SelectionIterator(o);
     
     while (o && o != stop) {
         if (o != start && o != end && o->canBeSelectionLeaf())
@@ -999,8 +985,6 @@
 
     // Now that the selection state has been updated for the new objects, walk them again and
     // put them in the new objects list.
-    SelectedObjectMap newSelectedObjects;
-    SelectedBlockMap newSelectedBlocks;
     o = start;
     selectionIterator = SelectionIterator(o);
     while (o && o != stop) {
@@ -1035,14 +1019,13 @@
         return;
 
     // Have any of the old selected objects changed compared to the new selection?
-    auto oldObjectsEnd = oldSelectionData.selectedObjects.end();
-    for (auto it = oldSelectionData.selectedObjects.begin(); it != oldObjectsEnd; ++it) {
-        RenderObject* obj = it->key;
+    for (SelectedObjectMap::iterator i = oldSelectedObjects.begin(); i != oldObjectsEnd; ++i) {
+        RenderObject* obj = i->key;
         RenderSelectionInfo* newInfo = newSelectedObjects.get(obj);
-        RenderSelectionInfo* oldInfo = it->value.get();
+        RenderSelectionInfo* oldInfo = i->value.get();
         if (!newInfo || oldInfo->rect() != newInfo->rect() || oldInfo->state() != newInfo->state()
-            || (root.selectionStart() == obj && oldSelectionData.selectionStartPos != root.selectionStartPos())
-            || (root.selectionEnd() == obj && oldSelectionData.selectionEndPos != root.selectionEndPos())) {
+            || (root.selectionStart() == obj && oldStartPos != root.selectionStartPos())
+            || (root.selectionEnd() == obj && oldEndPos != root.selectionEndPos())) {
             oldInfo->repaint();
             if (newInfo) {
                 newInfo->repaint();
@@ -1052,16 +1035,16 @@
     }
 
     // Any new objects that remain were not found in the old objects dict, and so they need to be updated.
-    auto newObjectsEnd = newSelectedObjects.end();
-    for (auto it = newSelectedObjects.begin(); it != newObjectsEnd; ++it)
-        it->value->repaint();
+    SelectedObjectMap::iterator newObjectsEnd = newSelectedObjects.end();
+    for (SelectedObjectMap::iterator i = newSelectedObjects.begin(); i != newObjectsEnd; ++i)
+        i->value->repaint();
 
     // Have any of the old blocks changed?
-    auto oldBlocksEnd = oldSelectionData.selectedBlocks.end();
-    for (auto it = oldSelectionData.selectedBlocks.begin(); it != oldBlocksEnd; ++it) {
-        RenderBlock* block = it->key;
+    SelectedBlockMap::iterator oldBlocksEnd = oldSelectedBlocks.end();
+    for (SelectedBlockMap::iterator i = oldSelectedBlocks.begin(); i != oldBlocksEnd; ++i) {
+        RenderBlock* block = i->key;
         RenderBlockSelectionInfo* newInfo = newSelectedBlocks.get(block);
-        RenderBlockSelectionInfo* oldInfo = it->value.get();
+        RenderBlockSelectionInfo* oldInfo = i->value.get();
         if (!newInfo || oldInfo->rects() != newInfo->rects() || oldInfo->state() != newInfo->state()) {
             oldInfo->repaint();
             if (newInfo) {
@@ -1072,17 +1055,17 @@
     }
 
     // Any new blocks that remain were not found in the old blocks dict, and so they need to be updated.
-    auto newBlocksEnd = newSelectedBlocks.end();
-    for (auto it = newSelectedBlocks.begin(); it != newBlocksEnd; ++it)
-        it->value->repaint();
+    SelectedBlockMap::iterator newBlocksEnd = newSelectedBlocks.end();
+    for (SelectedBlockMap::iterator i = newSelectedBlocks.begin(); i != newBlocksEnd; ++i)
+        i->value->repaint();
 }
 
 void RenderView::getSelection(RenderObject*& startRenderer, int& startOffset, RenderObject*& endRenderer, int& endOffset) const
 {
-    startRenderer = m_unsplitSelectionStart;
-    startOffset = m_unsplitSelectionStartPos;
-    endRenderer = m_unsplitSelectionEnd;
-    endOffset = m_unsplitSelectionEndPos;
+    startRenderer = m_selectionStart;
+    startOffset = m_selectionStartPos;
+    endRenderer = m_selectionEnd;
+    endOffset = m_selectionEndPos;
 }
 
 void RenderView::clearSelection()

Modified: trunk/Source/WebCore/rendering/RenderView.h (171221 => 171222)


--- trunk/Source/WebCore/rendering/RenderView.h	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/Source/WebCore/rendering/RenderView.h	2014-07-18 16:53:51 UTC (rev 171222)
@@ -89,8 +89,8 @@
     void setSelection(RenderObject* start, int startPos, RenderObject* end, int endPos, SelectionRepaintMode = RepaintNewXOROld);
     void getSelection(RenderObject*& startRenderer, int& startOffset, RenderObject*& endRenderer, int& endOffset) const;
     void clearSelection();
-    RenderObject* selectionUnsplitStart() const { return m_unsplitSelectionStart; }
-    RenderObject* selectionUnsplitEnd() const { return m_unsplitSelectionEnd; }
+    RenderObject* selectionStart() const { return m_selectionStart; }
+    RenderObject* selectionEnd() const { return m_selectionEnd; }
     IntRect selectionBounds(bool clipToVisibleContent = true) const;
     void repaintSelection() const;
 
@@ -304,19 +304,17 @@
     friend class LayoutStateDisabler;
 
     void splitSelectionBetweenSubtrees(RenderObject* start, int startPos, RenderObject* end, int endPos, SelectionRepaintMode blockRepaintMode);
-    void clearSubtreeSelection(const SelectionSubtreeRoot&, SelectionRepaintMode, OldSelectionData&);
-    void updateSelectionForSubtrees(RenderSubtreesMap&, SelectionRepaintMode);
-    void applySubtreeSelection(SelectionSubtreeRoot&, RenderObject* start, RenderObject* end, int endPos, SelectionRepaintMode, const OldSelectionData&);
+    void setSubtreeSelection(SelectionSubtreeRoot&, RenderObject* start, int startPos, RenderObject* end, int endPos, SelectionRepaintMode);
     LayoutRect subtreeSelectionBounds(const SelectionSubtreeRoot&, bool clipToVisibleContent = true) const;
     void repaintSubtreeSelection(const SelectionSubtreeRoot&) const;
 
 private:
     FrameView& m_frameView;
 
-    RenderObject* m_unsplitSelectionStart;
-    RenderObject* m_unsplitSelectionEnd;
-    int m_unsplitSelectionStartPos;
-    int m_unsplitSelectionEndPos;
+    RenderObject* m_selectionStart;
+    RenderObject* m_selectionEnd;
+    int m_selectionStartPos;
+    int m_selectionEndPos;
 
     uint64_t m_rendererCount;
 

Modified: trunk/Source/WebCore/rendering/SelectionSubtreeRoot.cpp (171221 => 171222)


--- trunk/Source/WebCore/rendering/SelectionSubtreeRoot.cpp	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/Source/WebCore/rendering/SelectionSubtreeRoot.cpp	2014-07-18 16:53:51 UTC (rev 171222)
@@ -45,14 +45,6 @@
 {
 }
 
-SelectionSubtreeRoot::SelectionSubtreeRoot(RenderObject* selectionStart, int selectionStartPos, RenderObject* selectionEnd, int selectionEndPos)
-    : m_selectionStart(selectionStart)
-    , m_selectionStartPos(selectionStartPos)
-    , m_selectionEnd(selectionEnd)
-    , m_selectionEndPos(selectionEndPos)
-{
-}
-
 void SelectionSubtreeRoot::adjustForVisibleSelection(Document& document)
 {
     if (selectionClear())

Modified: trunk/Source/WebCore/rendering/SelectionSubtreeRoot.h (171221 => 171222)


--- trunk/Source/WebCore/rendering/SelectionSubtreeRoot.h	2014-07-18 15:23:16 UTC (rev 171221)
+++ trunk/Source/WebCore/rendering/SelectionSubtreeRoot.h	2014-07-18 16:53:51 UTC (rev 171222)
@@ -31,7 +31,6 @@
 #define SelectionSubtreeRoot_h
 
 #include "RenderObject.h"
-#include "RenderSelectionInfo.h"
 
 namespace WebCore {
 
@@ -39,28 +38,8 @@
 
 class SelectionSubtreeRoot {
 public:
-    
-    typedef HashMap<RenderObject*, std::unique_ptr<RenderSelectionInfo>> SelectedObjectMap;
-    typedef HashMap<RenderBlock*, std::unique_ptr<RenderBlockSelectionInfo>> SelectedBlockMap;
-    typedef HashMap<SelectionSubtreeRoot*, SelectionSubtreeRoot> RenderSubtreesMap;
 
-    struct OldSelectionData {
-        OldSelectionData()
-            : selectionStartPos(-1)
-            , selectionEndPos(-1)
-        {
-        }
-
-        int selectionStartPos;
-        int selectionEndPos;
-        SelectedObjectMap selectedObjects;
-        SelectedBlockMap selectedBlocks;
-    };
-    
-    typedef HashMap<SelectionSubtreeRoot*, std::unique_ptr<OldSelectionData>> SubtreeOldSelectionDataMap;
-
     SelectionSubtreeRoot();
-    SelectionSubtreeRoot(RenderObject* selectionStart, int selectionStartPos, RenderObject* selectionEnd, int selectionEndPos);
 
     RenderObject* selectionStart() const { return m_selectionStart; }
     int selectionStartPos() const { return m_selectionStartPos; }
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