Refactoring the ownership of ui::InputMethod.

ash/shell/keyboard_controller_proxy_stub.cc

 // Copyright 2013 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/shell/keyboard_controller_proxy_stub.h"
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ui/aura/window.h"
+#include "ui/aura/window_tree_host.h"
 #include "ui/base/ime/mock_input_method.h"
-#include "ui/wm/core/input_method_event_filter.h"
 
 using namespace content;
 
 namespace ash {
 
 KeyboardControllerProxyStub::KeyboardControllerProxyStub()
     : keyboard::KeyboardControllerProxy(Shell::GetInstance()
                                             ->delegate()
                                             ->GetActiveBrowserContext()) {
 }
 
 KeyboardControllerProxyStub::~KeyboardControllerProxyStub() {
 }
 
 bool KeyboardControllerProxyStub::HasKeyboardWindow() const {
   return keyboard_;
 }
 
 aura::Window* KeyboardControllerProxyStub::GetKeyboardWindow() {
   if (!keyboard_) {
     keyboard_.reset(new aura::Window(&delegate_));
     keyboard_->Init(ui::LAYER_NOT_DRAWN);
   }
   return keyboard_.get();
 }
 
 ui::InputMethod* KeyboardControllerProxyStub::GetInputMethod() {
-  return Shell::GetInstance()->input_method_filter()->input_method();
+  return ash::Shell::GetTargetRootWindow()->GetHost()->GetInputMethod();

[James Cook, 2015/06/02 16:29:12]

Again, are you sure about GetTargetRootWindow?

[Shu Chen, 2015/06/03 03:31:54]

Done.

 }
 
 void KeyboardControllerProxyStub::RequestAudioInput(
     WebContents* web_contents,
     const MediaStreamRequest& request,
     const MediaResponseCallback& callback) {
 }
 
 void KeyboardControllerProxyStub::LoadSystemKeyboard() {
 }
 
 void KeyboardControllerProxyStub::ReloadKeyboardIfNeeded() {
 }
 
 }  // namespace ash