[Webkit-unassigned] [Bug 178786] New: Remove unnecessary whitespace invalidation logic from RenderTreeUpdater

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=178786

            Bug ID: 178786
           Summary: Remove unnecessary whitespace invalidation logic from
                    RenderTreeUpdater
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

RenderTreeUpdater::invalidateWhitespaceOnlyTextSiblingsAfterAttachIfNeeded is a pretty complex function for figuring out if some whitespace-only text node might need to have its rendering status recomputed. However actually computing if a text renderer is needed is not expensive. We can simply do it for all whitespace nodes.

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