The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/124814c8025c564a6f494a3c9d4c887d57b98f1e

commit 124814c8025c564a6f494a3c9d4c887d57b98f1e
Author: altimin <altimin@chromium.org>
Date: Tue Jan 03 14:06:54 2017

Use timer task runner for V8PerIsolate tasks

Per the effort of getting rid of default task queue in scheduler, post per-isolate
tasks to renderer-wide timer task queue.

BUG= 676805 

Review-Url: https://codereview.chromium.org/2589363003
Cr-Commit-Position: refs/heads/master@{#441114}

[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/extensions/renderer/api_binding_test.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/gin/isolate_holder.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/gin/per_isolate_data.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/gin/per_isolate_data.h
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/gin/public/isolate_holder.h
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/gin/shell/gin_main.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/gin/shell_runner_unittest.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/gin/test/file_runner.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/gin/test/v8_test.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/mojo/edk/js/tests/js_to_cpp_tests.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/net/proxy/proxy_resolver_v8.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/pdf/pdfium/pdfium_engine.cc
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/third_party/WebKit/Source/bindings/core/v8/V8Initializer.cpp
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.cpp
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.h
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/third_party/WebKit/Source/core/workers/WorkerBackingThread.cpp
[modify] https://crrev.com/124814c8025c564a6f494a3c9d4c887d57b98f1e/third_party/WebKit/Source/modules/fetch/DataConsumerHandleTestUtil.cpp

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/4f45c5de5f5444ffb697790c76387e66502d079f

commit 4f45c5de5f5444ffb697790c76387e66502d079f
Author: altimin <altimin@chromium.org>
Date: Wed Jan 18 10:27:25 2017

Use loading tq instead of timer tq for per-isolate tasks

When per-isolate tasks are posted to timer tq, memory usage metrics go up.
This may happen due to garbage collection being throttled. Switch tasks to
loading task queue to fix regression for now.

R=haraken@chromium.org
CC=skyostil@chromium.org,primiano@chromium.org

BUG=678286, 676805 

Review-Url: https://codereview.chromium.org/2638973002
Cr-Commit-Position: refs/heads/master@{#444327}

[modify] https://crrev.com/4f45c5de5f5444ffb697790c76387e66502d079f/third_party/WebKit/Source/bindings/core/v8/V8Initializer.cpp

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c8885e8afa5f667deab0d2f12ff93dbe3d7c3dd0

commit c8885e8afa5f667deab0d2f12ff93dbe3d7c3dd0
Author: altimin <altimin@chromium.org>
Date: Wed Jan 18 13:11:14 2017

[content] Expose renderer scheduler task queues in content::RenderThread.

Expose renderer-wide timer and loading task queues to content to avoid
posting tasks to default queue, giving scheduler fine-grained control.

BUG= 676805 

Review-Url: https://codereview.chromium.org/2635053002
Cr-Commit-Position: refs/heads/master@{#444341}

[modify] https://crrev.com/c8885e8afa5f667deab0d2f12ff93dbe3d7c3dd0/content/public/renderer/render_thread.h
[modify] https://crrev.com/c8885e8afa5f667deab0d2f12ff93dbe3d7c3dd0/content/public/test/mock_render_thread.cc
[modify] https://crrev.com/c8885e8afa5f667deab0d2f12ff93dbe3d7c3dd0/content/public/test/mock_render_thread.h
[modify] https://crrev.com/c8885e8afa5f667deab0d2f12ff93dbe3d7c3dd0/content/renderer/render_thread_impl.cc
[modify] https://crrev.com/c8885e8afa5f667deab0d2f12ff93dbe3d7c3dd0/content/renderer/render_thread_impl.h

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/06fe10c00a7cdeabd54105bc61f8e27fcdb8486e

commit 06fe10c00a7cdeabd54105bc61f8e27fcdb8486e
Author: altimin <altimin@chromium.org>
Date: Fri Jan 20 11:28:15 2017

Expose different task runner in RenderFrame for convenience

BUG= 676805 

Review-Url: https://codereview.chromium.org/2643633003
Cr-Commit-Position: refs/heads/master@{#445040}

[modify] https://crrev.com/06fe10c00a7cdeabd54105bc61f8e27fcdb8486e/content/public/renderer/render_frame.h
[modify] https://crrev.com/06fe10c00a7cdeabd54105bc61f8e27fcdb8486e/content/renderer/render_frame_impl.cc
[modify] https://crrev.com/06fe10c00a7cdeabd54105bc61f8e27fcdb8486e/content/renderer/render_frame_impl.h

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c4d24a8a8d97013513f2f668734ce608a82a541a

commit c4d24a8a8d97013513f2f668734ce608a82a541a
Author: altimin <altimin@chromium.org>
Date: Tue Feb 07 23:18:06 2017

Use timer task queue for RenderMediaLog

As a part of effort to post tasks to correct scheduler task queues instead
of default one, use frame-specific timer task runner for RenderMediaLog tasks.

BUG= 676805 

Review-Url: https://codereview.chromium.org/2647453003
Cr-Commit-Position: refs/heads/master@{#448777}

[modify] https://crrev.com/c4d24a8a8d97013513f2f668734ce608a82a541a/content/renderer/media/render_media_log.cc
[modify] https://crrev.com/c4d24a8a8d97013513f2f668734ce608a82a541a/content/renderer/media/render_media_log.h
[modify] https://crrev.com/c4d24a8a8d97013513f2f668734ce608a82a541a/content/renderer/media/render_media_log_unittest.cc
[modify] https://crrev.com/c4d24a8a8d97013513f2f668734ce608a82a541a/content/renderer/render_frame_impl.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/9ea4b653af65fdb18c37f54d9986708f5277f8db

commit 9ea4b653af65fdb18c37f54d9986708f5277f8db
Author: altimin <altimin@chromium.org>
Date: Wed Feb 08 17:28:25 2017

Revert of Use timer task queue for RenderMediaLog (patchset #2 id:20001 of https://codereview.chromium.org/2647453003/ )

Reason for revert:
VideoFullscreenOrientationLockTests became flaky (see  crbug.com/676070 )

Original issue's description:
> Use timer task queue for RenderMediaLog
>
> As a part of effort to post tasks to correct scheduler task queues instead
> of default one, use frame-specific timer task runner for RenderMediaLog tasks.
>
> BUG= 676805 
>
> Review-Url: https://codereview.chromium.org/2647453003
> Cr-Commit-Position: refs/heads/master@{#448777}
> Committed: https://chromium.googlesource.com/chromium/src/+/c4d24a8a8d97013513f2f668734ce608a82a541a

TBR=jochen@chromium.org,dalecurtis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG= 676805 

Review-Url: https://codereview.chromium.org/2688523002
Cr-Commit-Position: refs/heads/master@{#449023}

[modify] https://crrev.com/9ea4b653af65fdb18c37f54d9986708f5277f8db/content/renderer/media/render_media_log.cc
[modify] https://crrev.com/9ea4b653af65fdb18c37f54d9986708f5277f8db/content/renderer/media/render_media_log.h
[modify] https://crrev.com/9ea4b653af65fdb18c37f54d9986708f5277f8db/content/renderer/media/render_media_log_unittest.cc
[modify] https://crrev.com/9ea4b653af65fdb18c37f54d9986708f5277f8db/content/renderer/render_frame_impl.cc