Revert of cc: Make scheduling be driven by vsync for android webview.

Revert of cc: Make scheduling be driven by vsync for android webview. (patchset #37 id:720001 of https://codereview.chromium.org/817603002/)

Reason for revert:
Caused failures on memory bot.

Original issue's description:
> cc: Make scheduling be driven by vsync for android webview.
>
> This CL makes android webview use the similar mechanisms for
> scheduling as other platforms instead of using special
> polling code in the scheduler.
>
> Design Doc: https://docs.google.com/a/chromium.org/document/d/1w5UiuA2uZcAiU9-1Y23bxXaStUThkAK8wHI4ULqho2Y/edit#
>
> BUG=439275
>
> Committed: https://crrev.com/bf27da634790bb6eecf4b89f278cfd55c5e5d1f3
> Cr-Commit-Position: refs/heads/master@{#323361}

TBR=brianderson@chromium.org,boliu@chromium.org,enne@chromium.org,danakj@chromium.org,hush@chromium.org,mithro@mithis.com,jdduke@chromium.org,sievers@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=439275
Committed: https://crrev.com/b6ee9a21654e8690a6ff2feee05247f071567692
Cr-Commit-Position: refs/heads/master@{#323382}

[sunnyps, 2015-04-02 00:42:01]

Created Revert of cc: Make scheduling be driven by vsync for android webview.

[commit-bot: I haz the power, 2015-04-02 00:43:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1052103002/1

[commit-bot: I haz the power, 2015-04-02 00:43:10]

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

[commit-bot: I haz the power, 2015-04-02 00:43:13]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[boliu, 2015-04-02 00:44:08]

On 2015/04/02 00:43:13, I haz the power (commit-bot) wrote:
> No LGTM from a valid reviewer yet. Only full committers are accepted.
> Even if an LGTM may have been provided, it was from a non-committer,
> _not_ a full super star committer.
> See http://www.chromium.org/getting-involved/become-a-committer
> Note that this has nothing to do with OWNERS files.

rs lgtm

Link to bot pls?

[brianderson, 2015-04-02 00:44:23]

lgtm

[sunnyps, 2015-04-02 00:45:09]

On 2015/04/02 00:44:08, boliu wrote:
> On 2015/04/02 00:43:13, I haz the power (commit-bot) wrote:
> > No LGTM from a valid reviewer yet. Only full committers are accepted.
> > Even if an LGTM may have been provided, it was from a non-committer,
> > _not_ a full super star committer.
> > See http://www.chromium.org/getting-involved/become-a-committer
> > Note that this has nothing to do with OWNERS files.
> 
> rs lgtm
> 
> Link to bot pls?

http://build.chromium.org/p/chromium.memory.fyi/

[sunnyps, 2015-04-02 00:46:06]

On 2015/04/02 00:45:09, sunnyps wrote:
> On 2015/04/02 00:44:08, boliu wrote:
> > On 2015/04/02 00:43:13, I haz the power (commit-bot) wrote:
> > > No LGTM from a valid reviewer yet. Only full committers are accepted.
> > > Even if an LGTM may have been provided, it was from a non-committer,
> > > _not_ a full super star committer.
> > > See http://www.chromium.org/getting-involved/become-a-committer
> > > Note that this has nothing to do with OWNERS files.
> > 
> > rs lgtm
> > 
> > Link to bot pls?
> 
> http://build.chromium.org/p/chromium.memory.fyi/

http://build.chromium.org/p/chromium.memory.fyi/builders/Linux%20Tests%20%28v...

[boliu, 2015-04-02 00:47:57]

On 2015/04/02 00:46:06, sunnyps wrote:
> On 2015/04/02 00:45:09, sunnyps wrote:
> > On 2015/04/02 00:44:08, boliu wrote:
> > > On 2015/04/02 00:43:13, I haz the power (commit-bot) wrote:
> > > > No LGTM from a valid reviewer yet. Only full committers are accepted.
> > > > Even if an LGTM may have been provided, it was from a non-committer,
> > > > _not_ a full super star committer.
> > > > See http://www.chromium.org/getting-involved/become-a-committer
> > > > Note that this has nothing to do with OWNERS files.
> > > 
> > > rs lgtm
> > > 
> > > Link to bot pls?
> > 
> > http://build.chromium.org/p/chromium.memory.fyi/
> 
>
http://build.chromium.org/p/chromium.memory.fyi/builders/Linux%20Tests%20%28v...

Ok, yeah. Looks real. cq-ing

[boliu, 2015-04-02 00:48:02]

The CQ bit was checked by boliu@chromium.org

[commit-bot: I haz the power, 2015-04-02 00:48:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1052103002/1

[sunnyps, 2015-04-02 00:50:23]

On 2015/04/02 00:47:57, boliu wrote:
> On 2015/04/02 00:46:06, sunnyps wrote:
> > On 2015/04/02 00:45:09, sunnyps wrote:
> > > On 2015/04/02 00:44:08, boliu wrote:
> > > > On 2015/04/02 00:43:13, I haz the power (commit-bot) wrote:
> > > > > No LGTM from a valid reviewer yet. Only full committers are accepted.
> > > > > Even if an LGTM may have been provided, it was from a non-committer,
> > > > > _not_ a full super star committer.
> > > > > See http://www.chromium.org/getting-involved/become-a-committer
> > > > > Note that this has nothing to do with OWNERS files.
> > > > 
> > > > rs lgtm
> > > > 
> > > > Link to bot pls?
> > > 
> > > http://build.chromium.org/p/chromium.memory.fyi/
> > 
> >
>
http://build.chromium.org/p/chromium.memory.fyi/builders/Linux%20Tests%20%28v...
> 
> Ok, yeah. Looks real. cq-ing

Uninitialized member variable, sigh.

[commit-bot: I haz the power, 2015-04-02 00:51:15]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-03 20:20:33]

Patchset 1 (id:??) landed as
https://crrev.com/b6ee9a21654e8690a6ff2feee05247f071567692
Cr-Commit-Position: refs/heads/master@{#323382}