IME (input method editor) support for Aura, part 3 of 3: Use ui::InputMethod in ash.

ui/aura/root_window.cc

 // Copyright (c) 2011 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 "ui/aura/root_window.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 393 matching lines @@
       ALLOW_THIS_IN_INITIALIZER_LIST(schedule_paint_factory_(this)),
       active_window_(NULL),
       mouse_button_flags_(0),
       last_cursor_(kCursorNull),
       in_destructor_(false),
       screen_(new ScreenAura),
       capture_window_(NULL),
       mouse_pressed_handler_(NULL),
       mouse_moved_handler_(NULL),
       focused_window_(NULL),
-      touch_event_handler_(NULL) {
+      touch_event_handler_(NULL),
+      input_method_(NULL) {
   SetName("RootWindow");
   gfx::Screen::SetInstance(screen_);
   host_->SetRootWindow(this);
   last_mouse_location_ = host_->QueryMouseLocation();
 
   if (ui::Compositor::compositor_factory()) {
     compositor_ = (*ui::Compositor::compositor_factory())(this);
   } else {
 #ifdef USE_WEBKIT_COMPOSITOR
     ui::CompositorCC::Initialize(false);
@@ skipping 180 matching lines @@
       base::StringToInt(parts[1], &parsed_height) && parsed_height > 0) {
     bounds.set_size(gfx::Size(parsed_width, parsed_height));
   } else if (use_fullscreen_host_window_) {
     bounds = gfx::Rect(RootWindowHost::GetNativeScreenSize());
   }
 
   return bounds;
 }
 
 }  // namespace aura