mus: Rename .*PointerWatcher.* to .*PointerDownWatcher.*.

ash/mus/bridge/wm_shell_mus.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 "ash/mus/bridge/wm_shell_mus.h"
 
 #include <utility>
 
 #include "ash/common/display/display_info.h"
 #include "ash/common/keyboard/keyboard_ui.h"
@@ skipping 288 matching lines @@
 }
 
 void WmShellMus::AddDisplayObserver(WmDisplayObserver* observer) {
   NOTIMPLEMENTED();
 }
 
 void WmShellMus::RemoveDisplayObserver(WmDisplayObserver* observer) {
   NOTIMPLEMENTED();
 }
 
-void WmShellMus::AddPointerWatcher(views::PointerWatcher* watcher) {
-  // TODO(jamescook): Move PointerWatcherDelegateMus to //ash/mus and use here.
+void WmShellMus::AddPointerDownWatcher(views::PointerDownWatcher* watcher) {
+  // TODO(jamescook): Move PointerDownWatcherDelegateMus to //ash/mus
+  // and use here.
   NOTIMPLEMENTED();
 }
 
-void WmShellMus::RemovePointerWatcher(views::PointerWatcher* watcher) {
+void WmShellMus::RemovePointerDownWatcher(views::PointerDownWatcher* watcher) {
   NOTIMPLEMENTED();
 }
 
 #if defined(OS_CHROMEOS)
 void WmShellMus::ToggleIgnoreExternalKeyboard() {
   NOTIMPLEMENTED();
 }
 #endif  // defined(OS_CHROMEOS)
 
 // static
@@ skipping 22 matching lines @@
                     OnWindowActivated(gained_active, lost_active));
 }
 
 void WmShellMus::OnDidDestroyClient(::ui::WindowTreeClient* client) {
   DCHECK_EQ(client, client_);
   RemoveClientObserver();
 }
 
 }  // namespace mus
 }  // namespace ash