[Webkit-unassigned] [Bug 208265] New: Make Path::Path(const Path&) and Path::operator=(const Path&) cheap

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=208265

            Bug ID: 208265
           Summary: Make Path::Path(const Path&) and Path::operator=(const
                    Path&) cheap
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: wenson_hsieh at apple.com

We can make these behave in a more "copy-on-write” manner, such that we just set m_path when copying a new WebCore::Path, and only call CGPathCreateMutableCopy later if it is needed.

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