Revert 266159 "Adds more to viewmanager"

Compilation error:

c:\b\build\slave\cr-win-rel-x64\build\src\mojo\services\view_manager\view_manager_connection.cc(199) : error C2723: 'mojo::services::view_manager::ViewManagerConnection::DeleteView' : 'override' specifier illegal on function definition

http://build.chromium.org/p/chromium.win/builders/Win%20x64%20Builder/builds/17746/steps/compile/logs/stdio


> Adds more to viewmanager
> 
> Specifically ability to delete nodes, create views and attach them.
> 
> BUG=365012
> TEST=covered by tests
> R=ben@chromium.org
> 
> Review URL: https://codereview.chromium.org/250633003

TBR=sky@chromium.org

Review URL: https://codereview.chromium.org/250733003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@266162 0039d316-1c4b-4281-b951-d872f2087c98
14 files changed