Move shell interfaces into the shell.mojom namespace.

mash/wm/root_window_controller.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mash/wm/root_window_controller.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "components/mus/common/util.h"
@@ skipping 50 matching lines @@
 void RootWindowController::Destroy() {
   // See class description for details on lifetime.
   if (root_) {
     delete root_->connection();
   } else {
     // This case only happens if we're destroyed before OnEmbed().
     delete this;
   }
 }
 
-mojo::Shell* RootWindowController::GetShell() {
+mojo::shell::mojom::Shell* RootWindowController::GetShell() {
   return app_->app()->shell();
 }
 
 mus::Window* RootWindowController::GetWindowForContainer(
     mojom::Container container) {
   const mus::Id window_id = root_->connection()->GetConnectionId() << 16 |
                             static_cast<uint16_t>(container);
   return root_->GetChildById(window_id);
 }
 
@@ skipping 122 matching lines @@
                   mojom::Container::LOGIN_WINDOWS);
   CreateContainer(mojom::Container::SYSTEM_MODAL_WINDOWS,
                   mojom::Container::ROOT);
   CreateContainer(mojom::Container::KEYBOARD, mojom::Container::ROOT);
   CreateContainer(mojom::Container::MENUS, mojom::Container::ROOT);
   CreateContainer(mojom::Container::TOOLTIPS, mojom::Container::ROOT);
 }
 
 }  // namespace wm
 }  // namespace mash