Updates:
        Summary: Chrome: Crash Report - Stack Signature:  
WebCore::DocumentMarker::DocumentMarker(WebCore::DocumentMarker const &)

Comment #3 on issue 7250 by [email protected]: Chrome: Crash Report -  
Stack Signature:  
WebCore::DocumentMarker::DocumentMarker(WebCore::DocumentMarker const &)
http://code.google.com/p/chromium/issues/detail?id=7250

The following revision refers to this bug:
     http://src.chromium.org/viewvc/chrome?view=rev&revision=9105

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r9105 | [email protected] | 2009-02-03 14:49:26 -0800 (Tue, 03 Feb 2009) |  
16 lines
Changed paths:
    M  
http://src.chromium.org/viewvc/chrome/trunk/src/webkit/glue/webframe_impl.cc?r1=9105&r2=9104

Fix a crash where we would try to add a
DocumentMarker with the same start- and endOffset,
which AddMarker in WebKit will ignore. As a result,
our marker vector is empty and we try to access
the element with index -1.

Also added a check to avoid a NOTREACHED in debug
build, which can happen under normal circumstances
(when you navigate away from a page when a search
is in progress).

BUG=http://crbug.com/7250
TEST=We don't have reproduction steps for the
crash but if we stop seeing this on our crash
server we'll know that it is fixed.
Review URL: http://codereview.chromium.org/20028
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