Fix IME support for --enable-threaded-compositing

Fix IME support for --enable-threaded-compositing

The threaded compositor bypasses RenderWidget::DoDeferredUpdate(). Added two calls in RenderWidget::willBeginCompositorFrame() that are normally called in DoDeferredUpdate to support IME.

BUG=120361
TEST=manual

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=129489

[jonathan.backer, 2012-03-28 15:37:24]

nduca@ for review (I think this logic is your doing).
piman@ for OWNERS

[jamesr, 2012-03-28 16:30:59]

lgtm

[piman, 2012-03-28 16:45:49]

lgtm

https://chromiumcodereview.appspot.com/9873029/diff/1/content/renderer/render...
File content/renderer/render_widget.cc (right):

https://chromiumcodereview.appspot.com/9873029/diff/1/content/renderer/render...
content/renderer/render_widget.cc:1115: void
RenderWidget::willBeginCompositorFrame() {
Just to double-check, this is only called with the thread on, right?
nit: Could we add a DCHECK?

[nduca, 2012-03-28 18:01:12]

http://codereview.chromium.org/9873029/diff/1/content/renderer/render_widget.cc
File content/renderer/render_widget.cc (right):

http://codereview.chromium.org/9873029/diff/1/content/renderer/render_widget....
content/renderer/render_widget.cc:1115: void
RenderWidget::willBeginCompositorFrame() {
On 2012/03/28 16:45:50, piman wrote:
> Just to double-check, this is only called with the thread on, right?

Yes, now.

[nduca, 2012-03-28 18:01:16]

LGTM

[commit-bot: I haz the power, 2012-03-28 19:02:49]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/backer@chromium.org/9873029/3003

[Emmanuel Saint-loubert-Bié, 2012-03-28 20:02:11]

On 2012/03/28 19:02:49, I haz the power (commit-bot) wrote:
> CQ is trying da patch. Follow status at
> https://chromium-status.appspot.com/cq/backer%40chromium.org/9873029/3003

[commit-bot: I haz the power, 2012-03-28 21:11:12]

Commit queue rejected this change because the description was changed
between the time the change entered the commit queue and the time it
was ready to commit. You can safely check the commit box again.