Initialize a variable in cast_unittests/BarcodeTest.

Fixes compile warning/error.

BUG=None
TEST=build

Review URL: https://codereview.chromium.org/198493002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256890 0039d316-1c4b-4281-b951-d872f2087c98
Move frame related code to ash/frame, plus add OWNERS file.

An attempt to reduce and reorg files in ash/wm as it has too many files.

BUG=None
R=pkotwicz@chromium.org, sky@chromium.org

Review URL: https://codereview.chromium.org/196653008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256891 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256890
Remove the PurgeMemory IPC message and handling code.  The MemoryPurger is gone.

BUG=350455
TEST=none
R=jam@chromium.org

Review URL: https://codereview.chromium.org/198313002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256893 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256893