Use EventHandler for IME

ash/host/ash_remote_window_tree_host_win.cc

 // Copyright 2014 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/host/ash_remote_window_tree_host_win.h"
 
 #include "ash/host/root_window_transformer.h"
+#include "ash/ime/input_method_event_handler.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/transform.h"
 
 namespace ash {
 
 AshRemoteWindowTreeHostWin::AshRemoteWindowTreeHostWin(HWND remote_hwnd)
     : aura::RemoteWindowTreeHostWin(),
       transformer_helper_(this) {
   SetRemoteWindowHandle(remote_hwnd);
   transformer_helper_.Init();
@@ skipping 31 matching lines @@
 
 gfx::Transform AshRemoteWindowTreeHostWin::GetInverseRootTransform() const {
   return transformer_helper_.GetInverseTransform();
 }
 
 void AshRemoteWindowTreeHostWin::UpdateRootWindowSize(
     const gfx::Size& host_size) {
   transformer_helper_.UpdateWindowSize(host_size);
 }
 
+bool AshRemoteWindowTreeHostWin::DispatchKeyEventPostIME(
+    const ui::KeyEvent& event) {
+  ui::KeyEvent event_copy(event);
+  input_method_handler()->SetPostIME(true);
+  ui::EventSource::DeliverEventToProcessor(&event_copy);
+  input_method_handler()->SetPostIME(false);
+  return event_copy.handled();
+}
+
+ui::EventDispatchDetails AshRemoteWindowTreeHostWin::DeliverEventToProcessor(
+    ui::Event* event) {
+  return ui::EventSource::DeliverEventToProcessor(event);
+}
+
 }  // namespace ash