Align search key to left.

BUG=339196

Review URL: https://codereview.chromium.org/138533003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248044 0039d316-1c4b-4281-b951-d872f2087c98
Use webrtc::MouseCursorMonitor for cursor shapes

Use webrtc::MouseCursorMonitor for cursor shapes instead of
webrtc::VideoFrameCapturer, in preparation for deprecating cursor shape
functionality in the latter.

BUG=324033

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=247689

Review URL: https://codereview.chromium.org/92473002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248045 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248044
Add UMA stats for ExtensionCache

Reported metrics:
- number of extensions in cache
- size of cache on disk

BUG=316371
TEST=manual

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=247760

Review URL: https://codereview.chromium.org/148013004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248046 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248046