• Michael Achenbach's avatar
    Revert "[platform] Implement TaskRunners in the DefaultPlatform" · c56cff23
    Michael Achenbach authored
    This reverts commit 8de2e6db.
    
    Reason for revert: Suspect for:
    https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20nosnap%20-%20shared/builds/24237
    https://build.chromium.org/p/client.v8/builders/V8%20Win64/builds/20896
    
    Original change's description:
    > [platform] Implement TaskRunners in the DefaultPlatform
    > 
    > This CL implements the TaskRunners in the DefaultPlatform which has been
    > added recently to the platform API. In addition I changed how task
    > posting works on the DefaultPlatform.
    > 
    > With this implementation the DefaultPlatform keeps one
    > DefaultForegroundTaskRunner per isolate, plus one
    > DefaultBackgroundTaskRunner. The DefaultPlatform owns these TaskRunners
    > with a shared_ptr, which is also shared with any caller of
    > GetForegroundTaskRunner or GetBackgroundTaskrunner.
    > 
    > This CL moves the task management from the DefaultPlatform to the
    > TaskRunners.  The DefaultForegroundTaskRunner owns and manages the the
    > task queue, the delayed task  queue, and the idle task queue. The
    > DefaultBackgroundTaskRunner owns the WorkerThread pool and the
    > background task queue.
    > 
    > In addition changed many Task* to std::unique_ptr<Task> to document task
    > ownership.
    > 
    > R=​rmcilroy@chromium.org
    > 
    > Change-Id: Ib9a01f1f45e5b48844a37d801f884210ec3f6c27
    > Reviewed-on: https://chromium-review.googlesource.com/753583
    > Commit-Queue: Andreas Haas <ahaas@chromium.org>
    > Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#49354}
    
    TBR=rmcilroy@chromium.org,ahaas@chromium.org
    
    Change-Id: I6c381915a2cae8ea1a0d21d6cfa6e797ccd2d947
    No-Presubmit: true
    No-Tree-Checks: true
    No-Try: true
    Reviewed-on: https://chromium-review.googlesource.com/768748Reviewed-by: 's avatarMichael Achenbach <machenbach@chromium.org>
    Commit-Queue: Michael Achenbach <machenbach@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#49357}
    c56cff23
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