Remove pending controller entries when IPC channel is closed.

When IPC channel is closed while VideoCaptureHost is waiting for
a controller to be added, it should remove that entry so that
the controller can be notified when the controller is delivered
to VideoCaptureHost.

BUG=339314
R=jiayl@chromium.org

Review URL: https://codereview.chromium.org/143413022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248638 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248638
Rename --webcore-log-channels to --blink-platform-log-channels.

It's blink now!

R=jochen@chromium.org
BUG=None

Review URL: https://codereview.chromium.org/152873002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248639 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248639
test-cert generation scripts: Fix serial number file creation.

Fix quoting in try() function.
Fix places that attempted to use redirection with try() incorrectly.
Serial number must be hex string with length being a multiple of 2.

BUG=none
R=rsleevi@chromium.org

Review URL: https://codereview.chromium.org/141893008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248640 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248640