Disambiguate OnMouseCaptureLost from OnMouseReleased, etc.

views/controls/button/image_button.h

Index: views/controls/button/image_button.h
diff --git a/views/controls/button/image_button.h b/views/controls/button/image_button.h
index 7ac6a293af762b27dd0536cd795c8d8cbbf1b68a..1b09d5fa411fe7155600531057144b90956bbdc9 100644
--- a/views/controls/button/image_button.h
+++ b/views/controls/button/image_button.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -43,8 +43,8 @@ class ImageButton : public CustomButton {
                          VerticalAlignment v_align);
 
   // Overridden from View:
-  virtual gfx::Size GetPreferredSize();
-  virtual void OnPaint(gfx::Canvas* canvas);
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 
   // Sets preferred size, so it could be correctly positioned in layout even if
   // it is NULL.