[Webkit-unassigned] [Bug 48988] New: Delegate scrolling via a separate method

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48988

           Summary: Delegate scrolling via a separate method
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kenneth at webkit.org
                CC: hyatt at apple.com, andersca at apple.com, kling at webkit.org


Instead of piggy-backing on the HostWindow::scroll method, we use a special delegateScrollRequested method. This means that we avoid calling additional scrollbar related code before the call to HostWindow::scroll, and that we do not need to do special casing in ChromeClient::scroll to figure out if it was a delegated scroll or not, thus imposing overhead on the normal case. This will also make the webkit2 impl more clear.

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