[Webkit-unassigned] [Bug 107868] REGRESSION(140571): Crash in ScrollingCoordinator::mainThreadScrollingReasons during Frame::createView

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=107868


James Robinson <jamesr at chromium.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |andersca at apple.com




--- Comment #2 from James Robinson <jamesr at chromium.org>  2013-01-24 15:07:57 PST ---
What 'bout this?

diff --git a/Source/WebCore/page/scrolling/ScrollingCoordinator.cpp b/Source/WebCore/page/scrolling/ScrollingCoordinat
index c17cc36..f12c280 100644
--- a/Source/WebCore/page/scrolling/ScrollingCoordinator.cpp
+++ b/Source/WebCore/page/scrolling/ScrollingCoordinator.cpp
@@ -449,6 +449,8 @@ bool ScrollingCoordinator::hasVisibleSlowRepaintViewportConstrainedObjects(Frame
 MainThreadScrollingReasons ScrollingCoordinator::mainThreadScrollingReasons() const
 {
     FrameView* frameView = m_page->mainFrame()->view();
+    if (!frameView)
+        return static_cast<MainThreadScrollingReasons>(0);

     MainThreadScrollingReasons mainThreadScrollingReasons = (MainThreadScrollingReasons)0;


?

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