Title: [144250] trunk/Source/WebCore
- Revision
- 144250
- Author
- aba...@webkit.org
- Date
- 2013-02-27 16:17:27 -0800 (Wed, 27 Feb 2013)
Log Message
Use FeatureObserver to see how often web sites use multipart main documents
https://bugs.webkit.org/show_bug.cgi?id=111015
Reviewed by Nate Chapin.
Multipart main documents add sigificant complexity to the loader. It
would be interesting to know how often this complexity is used.
* loader/MainResourceLoader.cpp:
(WebCore::MainResourceLoader::responseReceived):
* page/FeatureObserver.h:
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (144249 => 144250)
--- trunk/Source/WebCore/ChangeLog 2013-02-27 23:50:41 UTC (rev 144249)
+++ trunk/Source/WebCore/ChangeLog 2013-02-28 00:17:27 UTC (rev 144250)
@@ -1,3 +1,17 @@
+2013-02-27 Adam Barth <aba...@webkit.org>
+
+ Use FeatureObserver to see how often web sites use multipart main documents
+ https://bugs.webkit.org/show_bug.cgi?id=111015
+
+ Reviewed by Nate Chapin.
+
+ Multipart main documents add sigificant complexity to the loader. It
+ would be interesting to know how often this complexity is used.
+
+ * loader/MainResourceLoader.cpp:
+ (WebCore::MainResourceLoader::responseReceived):
+ * page/FeatureObserver.h:
+
2013-02-27 James Simonsen <simon...@chromium.org>
[chromium] Lower priority of preloaded images
Modified: trunk/Source/WebCore/loader/MainResourceLoader.cpp (144249 => 144250)
--- trunk/Source/WebCore/loader/MainResourceLoader.cpp 2013-02-27 23:50:41 UTC (rev 144249)
+++ trunk/Source/WebCore/loader/MainResourceLoader.cpp 2013-02-28 00:17:27 UTC (rev 144250)
@@ -39,6 +39,7 @@
#include "Document.h"
#include "DocumentLoadTiming.h"
#include "DocumentLoader.h"
+#include "FeatureObserver.h"
#include "FormState.h"
#include "Frame.h"
#include "FrameLoader.h"
@@ -427,8 +428,10 @@
m_resource->clear();
}
- if (r.isMultipart())
+ if (r.isMultipart()) {
+ FeatureObserver::observe(m_documentLoader->frame()->document(), FeatureObserver::MultipartMainResource);
m_loadingMultipartContent = true;
+ }
// The additional processing can do anything including possibly removing the last
// reference to this object; one example of this is 3266216.
Modified: trunk/Source/WebCore/page/FeatureObserver.h (144249 => 144250)
--- trunk/Source/WebCore/page/FeatureObserver.h 2013-02-27 23:50:41 UTC (rev 144249)
+++ trunk/Source/WebCore/page/FeatureObserver.h 2013-02-28 00:17:27 UTC (rev 144250)
@@ -45,7 +45,7 @@
enum Feature {
PageDestruction,
LegacyNotifications,
- UnusedSlot01, // Prior to 10/2012, we used this slot for LegacyBlobBuilder.
+ MultipartMainResource,
PrefixedIndexedDB,
WorkerStart,
SharedWorkerStart,
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