Refactoring for the InputMethod & InputMethodDelegate interfaces.

ash/display/window_tree_host_manager.cc

 // Copyright (c) 2012 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/display/window_tree_host_manager.h"
 
 #include <algorithm>
 #include <cmath>
 #include <map>
 
@@ skipping 846 matching lines @@
       // doesn't exist, or b) the primary_id has already been
       // set to the same and didn't update it.
       layout_store->UpdatePrimaryDisplayId(
           pair, Shell::GetScreen()->GetPrimaryDisplay().id());
     }
   }
   FOR_EACH_OBSERVER(Observer, observers_, OnDisplayConfigurationChanged());
   UpdateMouseLocationAfterDisplayChange();
 }
 
-bool WindowTreeHostManager::DispatchKeyEventPostIME(const ui::KeyEvent& event) {
+ui::EventDispatchDetails WindowTreeHostManager::DispatchKeyEventPostIME(
+    ui::KeyEvent* event) {
   // Getting the active root window to dispatch the event. This isn't
   // significant as the event will be sent to the window resolved by
   // aura::client::FocusClient which is FocusController in ash.
   aura::Window* active_window = wm::GetActiveWindow();
   aura::Window* root_window = active_window ? active_window->GetRootWindow()
                                             : Shell::GetPrimaryRootWindow();
   return root_window->GetHost()->DispatchKeyEventPostIME(event);
 }
 
 AshWindowTreeHost* WindowTreeHostManager::AddWindowTreeHostForDisplay(
@@ skipping 48 matching lines @@
       ->display_configurator_animation()
       ->StartFadeInAnimation();
 #endif
 }
 
 void WindowTreeHostManager::SetMirrorModeAfterAnimation(bool mirror) {
   GetDisplayManager()->SetMirrorMode(mirror);
 }
 
 }  // namespace ash