Allow VideoCaptureImpl to suspend/resume frame delivery to its client.

Allow VideoCaptureImpl to suspend/resume frame delivery to its client.

On Android, when WebRTC tab goes background, we need suspend video frame delivery to remote party. When WebRTC tab becomes foreground, VideoCaptureImpl needs to resume delivering captured video frames.

BUG=230962
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=194374

[qinmin, 2013-04-16 04:06:17]

lgtm

https://codereview.chromium.org/14175015/diff/1/content/renderer/media/video_...
File content/renderer/media/video_capture_impl_manager.cc (right):

https://codereview.chromium.org/14175015/diff/1/content/renderer/media/video_...
content/renderer/media/video_capture_impl_manager.cc:42: for (Devices::iterator
it = devices_.begin(); it != devices_.end(); ++it) {
no need for {}

[wjia(left Chromium), 2013-04-16 16:44:04]

+jamesr@ for owner's stamp on content/renderer/render_view_impl.cc.

https://codereview.chromium.org/14175015/diff/1/content/renderer/media/video_...
File content/renderer/media/video_capture_impl_manager.cc (right):

https://codereview.chromium.org/14175015/diff/1/content/renderer/media/video_...
content/renderer/media/video_capture_impl_manager.cc:42: for (Devices::iterator
it = devices_.begin(); it != devices_.end(); ++it) {
On 2013/04/16 04:06:17, qinmin wrote:
> no need for {}

Done.

[wjia(left Chromium), 2013-04-16 16:45:01]

+jamesr@ for owner's stamp on content/renderer/render_view_impl.cc.

[jamesr, 2013-04-16 16:58:48]

content/renderer/render_view_impl lgtm

[wjia(left Chromium), 2013-04-16 16:59:25]

Committed patchset #2 manually as r194374 (presubmit successful).