Support the Text services framework based IME for Chrome AURA on Windows.

ui/views/widget/desktop_aura/desktop_root_window_host_win.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 "ui/views/widget/desktop_aura/desktop_root_window_host_win.h"
 
+#include "base/win/metro.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/focus_manager.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window_property.h"
 #include "ui/base/cursor/cursor_loader_win.h"
 #include "ui/base/ime/input_method_win.h"
+#include "ui/base/ime/win/tsf_bridge.h"
 #include "ui/base/win/dpi.h"
 #include "ui/base/win/shell.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/path_win.h"
 #include "ui/native_theme/native_theme_aura.h"
 #include "ui/native_theme/native_theme_win.h"
 #include "ui/views/corewm/compound_event_filter.h"
 #include "ui/views/corewm/corewm_switches.h"
 #include "ui/views/corewm/cursor_manager.h"
@@ skipping 718 matching lines @@
 }
 
 void DesktopRootWindowHostWin::HandleNativeBlur(HWND focused_window) {
   // TODO(beng): inform the native_widget_delegate_.
   InputMethod* input_method = GetInputMethod();
   if (input_method)
     input_method->OnBlur();
 }
 
 bool DesktopRootWindowHostWin::HandleMouseEvent(const ui::MouseEvent& event) {
+  if (base::win::IsTSFAwareRequired() && event.IsAnyButton())
+    ui::TSFBridge::GetInstance()->CancelComposition();
   return root_window_host_delegate_->OnHostMouseEvent(
       const_cast<ui::MouseEvent*>(&event));
 }
 
 bool DesktopRootWindowHostWin::HandleKeyEvent(const ui::KeyEvent& event) {
   return false;
 }
 
 bool DesktopRootWindowHostWin::HandleUntranslatedKeyEvent(
     const ui::KeyEvent& event) {
   scoped_ptr<ui::KeyEvent> duplicate_event(event.Copy());
   return static_cast<aura::RootWindowHostDelegate*>(root_window_)->
       OnHostKeyEvent(duplicate_event.get());
 }
 
 bool DesktopRootWindowHostWin::HandleTouchEvent(
     const ui::TouchEvent& event) {
   return root_window_host_delegate_->OnHostTouchEvent(
       const_cast<ui::TouchEvent*>(&event));
 }
 
 bool DesktopRootWindowHostWin::HandleIMEMessage(UINT message,
                                                 WPARAM w_param,
                                                 LPARAM l_param,
                                                 LRESULT* result) {
   // TODO(ime): Having to cast here is wrong. Maybe we should have IME events
-  // and have these flow through the same path as HandleUntranslatedKeyEvent()
-  // does.
+  // and have these flow through the same path as
+  // HandleUnHandletranslatedKeyEvent() does.
   ui::InputMethodWin* ime_win =
       static_cast<ui::InputMethodWin*>(
           desktop_native_widget_aura_->input_method_event_filter()->
           input_method());
   BOOL handled = FALSE;
   *result = ime_win->OnImeMessages(message, w_param, l_param, &handled);
   return !!handled;
 }
 
 void DesktopRootWindowHostWin::HandleInputLanguageChange(
@@ skipping 61 matching lines @@
 DesktopRootWindowHost* DesktopRootWindowHost::Create(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura,
     const gfx::Rect& initial_bounds) {
   return new DesktopRootWindowHostWin(native_widget_delegate,
                                       desktop_native_widget_aura,
                                       initial_bounds);
 }
 
 }  // namespace views