Add OVERRIDE to content/.

content/browser/renderer_host/blob_message_filter.h

Index: content/browser/renderer_host/blob_message_filter.h
diff --git a/content/browser/renderer_host/blob_message_filter.h b/content/browser/renderer_host/blob_message_filter.h
index 24758ac1a66c1dd19ed83c5e9c0e9b8cf57713a3..762763a6d9c249fe2bac0ccb5698c2fb7fa73b53 100644
--- a/content/browser/renderer_host/blob_message_filter.h
+++ b/content/browser/renderer_host/blob_message_filter.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.
 
@@ -24,9 +24,9 @@ class BlobMessageFilter : public BrowserMessageFilter {
   virtual ~BlobMessageFilter();
 
   // BrowserMessageFilter implementation.
-  virtual void OnChannelClosing();
+  virtual void OnChannelClosing() OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok);
+                                 bool* message_was_ok) OVERRIDE;
 
  private:
   void OnStartBuildingBlob(const GURL& url);