localStorage: Aggressively flush to disk for Android WebView.

localStorage: Aggressively flush to disk for Android WebView.

Android WebView does not save data during shutdown like Chrome does.
Adding an --enable-aggressive-domstorage-flushing flag to return the
DOM Storage implementation to the prior implementation which had a 1
sec. timer to flush the commit queue.

NOTRY=true
NOPRESUBMIT=true
TBR=jsbell
BUG=479767
Review URL: https://codereview.chromium.org/1129233003

Cr-Commit-Position: refs/heads/master@{#329070}
(cherry picked from commit a1f8d834ce9fc89e5e409e08bb00173c37854329)

[cmumford, 2015-05-11 22:46:37]

cmumford@chromium.org changed reviewers:
+ jsbell@chromium.org, michaeln@chromium.org

[cmumford, 2015-05-11 22:46:38]

Looking for l-g-t-m from michaeln or jsbell - needs to land today for M43.

One file had minor conflict during cherry-pick:
content/browser/browser_main_loop.cc

[boliu, 2015-05-11 23:26:39]

merges can generally be TBR-ed

[cmumford, 2015-05-12 00:18:23]

The CQ bit was checked by cmumford@chromium.org

[commit-bot: I haz the power, 2015-05-12 00:20:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1138843002/1

[boliu, 2015-05-12 00:23:31]

On 2015/05/12 00:20:22, I haz the power (commit-bot) wrote:
> CQ is trying da patch. Follow status at
>  https://chromium-cq-status.appspot.com/patch-status/1138843002/1

also merged can't be cq-ed, you have to dcommit them

Are you a committer?

[commit-bot: I haz the power, 2015-05-12 00:23:50]

Committed patchset #1 (id:1)

[boliu, 2015-05-12 00:24:25]

On 2015/05/12 00:23:50, I haz the power (commit-bot) wrote:
> Committed patchset #1 (id:1)

Oh, huh... didn't know that worked. Never mind me then :)