Move more message handlers from NativeWidgetWin to HWNDMessageHandler.

ui/views/widget/hwnd_message_handler_delegate.h

Index: ui/views/widget/hwnd_message_handler_delegate.h
===================================================================
--- ui/views/widget/hwnd_message_handler_delegate.h	(revision 152346)
+++ ui/views/widget/hwnd_message_handler_delegate.h	(working copy)
@@ -9,6 +9,7 @@
 
 namespace views {
 
+class InputMethod;
 class NativeWidgetWin;
 
 // Implemented by the object that uses the HWNDMessageHandler to handle
@@ -21,6 +22,8 @@
   //             to avoid confusion.
   virtual bool IsUsingCustomFrame() const = 0;
 
+  virtual InputMethod* GetInputMethod() = 0;
+
   // TODO(beng): Investigate migrating these methods to On* prefixes once
   // HWNDMessageHandler is the WindowImpl.
 
@@ -55,6 +58,9 @@
   virtual void HandleBeginWMSizeMove() = 0;
   virtual void HandleEndWMSizeMove() = 0;
 
+  // Called when the window's position changed.
+  virtual void HandleMove() = 0;
+
   // This is provided for methods that need to call private methods on NWW.
   // TODO(beng): should be removed once HWNDMessageHandler is the WindowImpl.
   virtual NativeWidgetWin* AsNativeWidgetWin() = 0;