Make HWNDMessageHandler build with use_aura==1

ui/views/win/hwnd_message_handler_delegate.h

 // 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.
 
 #ifndef UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_DELEGATE_H_
 #define UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_DELEGATE_H_
 
 #include "ui/views/views_export.h"
 
 namespace gfx {
@@ skipping 138 matching lines @@
   // Called when focus shifted to this HWND from |last_focused_window|.
   virtual void HandleNativeFocus(HWND last_focused_window) = 0;
 
   // Called when focus shifted from the HWND to a different window.
   virtual void HandleNativeBlur(HWND focused_window) = 0;
 
   // Called when a mouse event is received. Returns true if the event was
   // handled by the delegate.
   virtual bool HandleMouseEvent(const ui::MouseEvent& event) = 0;
 
-  // Called when a key event is received. Returns true if the event was handled
-  // by the delegate.
+  // Called when a translated key event is received (i.e. post IME translation.)
+  // Returns true if the event was handled by the delegate.
   virtual bool HandleKeyEvent(const ui::KeyEvent& event) = 0;
 
+  // Called when an untranslated key event is received (i.e. pre-IME
+  // translation). Returns true if the event was sent to the input method.
+  virtual bool HandleUntranslatedKeyEvent(const ui::KeyEvent& event) = 0;
+
+  // Called when an IME message needs to be processed by the delegate. Returns
+  // true if the event was handled and no default processing should be
+  // performed.
+  virtual bool HandleIMEMessage(UINT message,
+                                WPARAM w_param,
+                                LPARAM l_param,
+                                LRESULT* result) = 0;
+
+  // Called when the system input language changes.
+  virtual void HandleInputLanguageChange(DWORD character_set,
+                                         HKL input_language_id) = 0;
+
   // Called to compel the delegate to paint |invalid_rect| accelerated. Returns
   // true if accelerated painting was performed.
   virtual bool HandlePaintAccelerated(const gfx::Rect& invalid_rect) = 0;
 
   // Called to compel the delegate to paint using the software path.
   virtual void HandlePaint(gfx::Canvas* canvas) = 0;
 
   // Called when we have detected a screen reader.
   virtual void HandleScreenReaderDetected() = 0;
 
@@ skipping 24 matching lines @@
                              WPARAM w_param,
                              LPARAM l_param) = 0;
 
  protected:
   virtual ~HWNDMessageHandlerDelegate() {}
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_DELEGATE_H_