[Webkit-unassigned] [Bug 66923] New: Call startTileBufferUpdateTimer only if there is something to update

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=66923

           Summary: Call startTileBufferUpdateTimer only if there is
                    something to update
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: t.morawski at samsung.com


Backing store tile should return information if dirty rectangle
invalidated it. Base on it the backing store may decide if
startTileBufferUpdateTimer function should be called or not.

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