Disable RenderWidgetHostBrowserTest.GetSnapshotFromRendererTest on aura.

This test is not possible with ubercomp, which is always on in aura.
So disable the test. It should just go away entirely once all platforms
are using ubercomp.

R=piman
BUG=272379,270918

Review URL: https://codereview.chromium.org/132963006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245587 0039d316-1c4b-4281-b951-d872f2087c98
Removed references to "Get Started" app from sources.

"Get Started" was replaced by the new first-run UI.

BUG=319963

Review URL: https://codereview.chromium.org/139383003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245588 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245588