apps: Move chrome's ShellWindowFrameView into apps/

BUG=306535
TEST=compiles, can still resize a v2 app (like "Text")
TBR=sky@chromium.org for moving shell_window_frame_view.h/cc out of its old location in Chrome

Review URL: https://codereview.chromium.org/27029006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228619 0039d316-1c4b-4281-b951-d872f2087c98
Remove notifications from TabStripModel.

BUG=170921
TEST=everything still works

Review URL: https://codereview.chromium.org/27036004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228620 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228619
SVN changes up to revision 228620