Add a test for RendererPreferences::browser_handles_all_top_level_requests.

R=jam@chromium.org
BUG=none
TESTS=more

Review URL: https://codereview.chromium.org/109793004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240741 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240741
Rename apps::AppShell* to apps::Shell*

The names are getting long and unwieldy and everything is in the apps
namespace anyway. This is consistent with the ash_shell and content_shell
naming conventions.

BUG=None
TEST=compiles
R=miket@chromium.org

Review URL: https://codereview.chromium.org/99053008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240742 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240742