Updates:
Status: Available
Labels: -Pri-2 -Mstone-5 Pri-3 Mstone-X jank HelpWanted
Comment #5 on issue 28958 by [email protected]: There should be only one
PluginMsg_UpdateGeometry in flight at a time
http://code.google.com/p/chromium/issues/detail?id=28958
We already do some coalescing of UpdateGeometry in
RenderWidget::SchedulePluginMove(), and that geometry is only sent when
painting
the RenderWidget. So, the ACK for painting should limit the frequency of
plugin
geometry updating. There could still be some overlapping geometry updates,
but I'd
be surprised if it ever overlapped by much. It would be good to histogram
this so we
can determine the severity. If there is a lot of overlap, then I agree
that it sounds like
a nice "jank" win to ignore some intermediate plugin moves.
Not going to block M5 for this.
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