Added tests for taskbar anchoring in app_list_win.

BUG=317944

Review URL: https://codereview.chromium.org/70453007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235075 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 235075
/OAuthLogin requests should use ChannelID.

R=mattm@chromium.org
BUG=315301

Review URL: https://codereview.chromium.org/70633004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235076 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 235076