[Webkit-unassigned] [Bug 82163] New: [chromium] PDF plugin not preventing thread-side scrolling

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82163

           Summary: [chromium] PDF plugin not preventing thread-side
                    scrolling
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: nduca at chromium.org
                CC: jamesr at chromium.org, enne at google.com


With threadeded compositing on, we process mousewheels on the impl thread. So, mouse scrolling never reaches the PDF plugin. ~cries~

To reproduce
chrome --force-compositing-mode --enable-threaded-compositing --show-composited-layer-borders --register-pepper-plugins="/opt/google/chrome/libpdf.so;application/pdf"

Then go to here:
http://www.corp.google.com/~pavanv/no_crawl/pdf-samples/flatform.pdf

If you dont have these applied, the screen wont update (although the scrolls will behave incorrectly):
https://bugs.webkit.org/show_bug.cgi?id=82154
http://codereview.chromium.org/9856005/

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