[Webkit-unassigned] [Bug 233481] New: SharedBufferChunkReader should be refactored

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=233481

            Bug ID: 233481
           Summary: SharedBufferChunkReader should be refactored
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jean-yves.avenard at apple.com
        Depends on: 233030

SharedBufferChunkReader is used to read the content of a SharedBuffer into a Vector.

It flattens the SharedBuffer which is inefficient.

It was first noted in bug 170956 that it should be rewritten and use the SharedBuffer's iterator instead.

Following bug 233030 where SharedBuffer are no longer mutable ; it required the SharedBufferChunkReader to keep a strong ref to a ContiguousSharedBuffer which would increase total memory use.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=233030
[Bug 233030] Distinguish contiguous SharedBuffer from non-contiguous one and guarantee immutability
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