<webview>: Move UserAgentOverride to Stable

BUG=334278

Review URL: https://codereview.chromium.org/138413002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245166 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245166
Adding a LaunchApp command to Chromedriver using the Chrome management API in the background extension, this will give developers an improved way to launch apps over having to navigate to the chrome://apps page and click on the app tile.

BUG=

Review URL: https://codereview.chromium.org/114403005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245167 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245167
Add time online histograms for VPN usage

The capitalization on two of the histograms were wrong, and
it was missing a TimeOnline value.

R=isherman@chromium.org
BUG=209709
TEST=Start chrome, and browse to chrome://histograms to make sure
these enums now exist after starting a VPN connection.

Review URL: https://codereview.chromium.org/138343004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245168 0039d316-1c4b-4281-b951-d872f2087c98
Remove stale comment and friend specifier.

BUG=316496
NOTRY=true
R=sky@chromium.org,avi@chromium.org

Review URL: https://codereview.chromium.org/138363002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245169 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245169