GitLab

Also merge content/ MockCrControlApp into base/ MockCrApp.
Also use MockCrApp in test_shell_tests, and slight tweak to autorelease pool in test_shell's initialization.

BUG=102224

Review URL: http://codereview.chromium.org/8724004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@112578 0039d316-1c4b-4281-b951-d872f2087c98