[Webkit-unassigned] [Bug 186051] New: Significant area painting milestone is often never fired on iPhone

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=186051

            Bug ID: 186051
           Summary: Significant area painting milestone is often never
                    fired on iPhone
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: wenson_hsieh at apple.com

-_webView:renderingProgressDidChange: is rarely invoked with _WKRenderingProgressEventFirstPaintWithSignificantArea on iPhone, since the width of the relevantViewRect() used to determine how much of the page is painted is hard-coded to be 980.

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