[Webkit-unassigned] [Bug 171974] New: Unify hasTouchScrollableOverflow/needsCompositedScrolling concepts

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=171974

            Bug ID: 171974
           Summary: Unify
                    hasTouchScrollableOverflow/needsCompositedScrolling
                    concepts
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fred.wang at free.fr
            Blocks: 149264

The following pattern is found in various places:

#if PLATFORM(IOS)
...hasTouchScrollableOverflow()...
#else
...needsCompositedScrolling()...
#endif

We can refactor the code to do that in one function.

@Simon: I don't know if we can merge these functions a bit further... It seems that to fix bug 149264 we would consider composited scrolling on iOS too?


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=149264
[Bug 149264] IFrame scrolling=yes is ignored in iOS Safari
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