Make HWNDMessageHandler build with use_aura==1

ui/views/win/hwnd_message_handler_delegate.h

Index: ui/views/win/hwnd_message_handler_delegate.h
===================================================================
--- ui/views/win/hwnd_message_handler_delegate.h	(revision 154445)
+++ ui/views/win/hwnd_message_handler_delegate.h	(working copy)
@@ -156,10 +156,26 @@
   // 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;