Fix optimized pepper painting
Fix optimized pepper painting

There was some confusion about the coordinates space used for pepper::PluginInstance::clip_

BUG=none
TEST=test with pepper flash on youtube, make sure GetBitmapForOptimizedPluginPaint succeeds most of the time, and that it paints correctly.

Review URL: http://codereview.chromium.org/4550001

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@65214 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser