gpu: Replace GpuMsg_GpuSwitched with mojom api.

gpu: Replace GpuMsg_GpuSwitched with mojom api.

Introduce mojom.GpuService.GpuSwitched(), to replace GpuMsg_GpuSwitched.
This removes the last IPC message handled by GpuChildThread, and this
also removes the last use of GpuProcessHost::SendOnIO(). So remove these
dead code at the same time.

BUG=643746
Review-Url: https://codereview.chromium.org/2772193006
Cr-Commit-Position: refs/heads/master@{#460272}
Committed: https://chromium.googlesource.com/chromium/src/+/d93a2b102eb48ba6dbaa0ac11dff9edc4d1eec9b

[sadrul, 2017-03-28 20:14:31]

The CQ bit was checked by sadrul@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-28 20:15:09]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[sadrul, 2017-03-28 20:16:47]

sadrul@chromium.org changed reviewers:
+ piman@chromium.org, tsepez@chromium.org

[sadrul, 2017-03-28 20:16:48]

tsepez@ for ipc changes.

piman@ for all changes.

Thank you!

[commit-bot: I haz the power, 2017-03-28 20:33:47]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-03-28 20:33:48]

Dry run: Try jobs failed on following builders:
  linux_chromium_asan_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Tom Sepez, 2017-03-28 20:40:00]

LGTM for moving equivalent functionality.

[piman, 2017-03-28 22:01:22]

LGTM, thanks for the cleanup

[sadrul, 2017-03-29 01:02:04]

The CQ bit was checked by sadrul@chromium.org

[commit-bot: I haz the power, 2017-03-29 01:04:12]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-29 04:11:56]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490749324355280, "parent_rev":
"e9d108d62890198ad43c80e0c0be56ac5a38c3c9", "commit_rev":
"d93a2b102eb48ba6dbaa0ac11dff9edc4d1eec9b"}

[commit-bot: I haz the power, 2017-03-29 04:13:01]

Description was changed from

==========
gpu: Replace GpuMsg_GpuSwitched with mojom api.

Introduce mojom.GpuService.GpuSwitched(), to replace GpuMsg_GpuSwitched.
This removes the last IPC message handled by GpuChildThread, and this
also removes the last use of GpuProcessHost::SendOnIO(). So remove these
dead code at the same time.

BUG=643746
==========

to

==========
gpu: Replace GpuMsg_GpuSwitched with mojom api.

Introduce mojom.GpuService.GpuSwitched(), to replace GpuMsg_GpuSwitched.
This removes the last IPC message handled by GpuChildThread, and this
also removes the last use of GpuProcessHost::SendOnIO(). So remove these
dead code at the same time.

BUG=643746

Review-Url: https://codereview.chromium.org/2772193006
Cr-Commit-Position: refs/heads/master@{#460272}
Committed:
https://chromium.googlesource.com/chromium/src/+/d93a2b102eb48ba6dbaa0ac11dff...
==========

[commit-bot: I haz the power, 2017-03-29 04:13:02]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/d93a2b102eb48ba6dbaa0ac11dff...