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git-svn-id: svn://svn.chromium.org/chrome/trunk/src@1287 0039d316-1c4b-4281-b951-d872f2087c98
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RenderWidgetHostHWND, not the frame.
B=1326392
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@918 0039d316-1c4b-4281-b951-d872f2087c98
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store as this hurts performance.
Bug=1314407
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@858 0039d316-1c4b-4281-b951-d872f2087c98
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backing store cache. The current backing store cache is only used for invisible tabs and every other RenderWidgetHost holds a reference to its backing store.
This CB proposes a change where in we have a global backing store cache, whose size can be controlled based on strategies like available resources etc. At this point the strategy is not implemented and the size is left at 5.
We no longer maintain a reference to the backing store in the RenderWidgetHost. Every host queries the global cache for its backing store. The cache provides methods to create the backing store and populate it with the required dib.
The other change is to use the renderer dib when the size of the bitmap being painted is the same as the backing store size. This is an attempt to improve performance in operations like scrolling.
Bug=1257424
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@422 0039d316-1c4b-4281-b951-d872f2087c98
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1 second hang monitor for the beforeunload/unload events to fire.
BUG=1296059
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@81 0039d316-1c4b-4281-b951-d872f2087c98
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git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98
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