Adding a disconnect step in the Me2Me browser test.

BUG=134210

Review URL: https://codereview.chromium.org/25048007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226664 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 226664
Added WebGL Conformance test expectations for Windows

BUG=225939
NOTRY=true

Review URL: https://codereview.chromium.org/25803002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226665 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 226665