[Webkit-unassigned] [Bug 225984] New: Stop putting single pointers in their own blocks on the heap: std::unique_ptr<HashMap> and similar

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=225984

            Bug ID: 225984
           Summary: Stop putting single pointers in their own blocks on
                    the heap: std::unique_ptr<HashMap> and similar
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: darin at apple.com

As seen in bug 225840 we sometimes make the mistake of allocating a HashMap or other very small single pointer structure on the heap, presumably because the programmer thinks a HashMap is expensive to allocate and destroy. Since it’s not and it’s already a pointer, we should remove any instances of this pattern.

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