[Webkit-unassigned] [Bug 267010] New: Cache "containsOnlyASCIIWhitesapce" on Node

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=267010

            Bug ID: 267010
           Summary: Cache "containsOnlyASCIIWhitesapce" on Node
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com

A call to `containsOnly<isASCIIWhitespace>()` from TreeResolver::resolveComposedTree() shows on on MotionMark profiles, and does the same computation on a Text node on every frame, so we can cache this.

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