Revert 214172 "Revert 214162 "Make Platform::queryStorageUsageAn..."

Revert 214172 "Revert 214162 "Make Platform::queryStorageUsageAn..."

> Revert 214162 "Make Platform::queryStorageUsageAndQuota work fro..."
> 
> > Make Platform::queryStorageUsageAndQuota work from worker threads
> > 
> > For renderer/worker to browser side:
> > - Always use thread-local QuotaDispatcher
> > - Make QuotaDispatcher use ThreadSafeSender to send IPC msgs
> > - Keep ipc_thread_id:request_id mapping in QuotaMessageFilter
> > 
> > For browser to renderer/worker side:
> > - Add QuotaMessageFilter to receive quota IPC msgs and
> > to relay the msgs to the correct thread's QuotaDispatcher
> > 
> > BUG=259660
> > TEST=no behavioral changes yet (fast/workers/*storagequota* after blink side changes)
> > R=jam@chromium.org, michaeln@chromium.org
> > 
> > Review URL: https://codereview.chromium.org/20015002
> 
> TBR=kinuko@chromium.org
> 
> Review URL: https://codereview.chromium.org/21042002

TBR=kinuko@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=214173

[kinuko, 2013-07-29 10:48:14]

Committed patchset #1 manually as r214173.