Add OVERRIDE to chrome/browser/.

chrome/browser/debugger/devtools_protocol_handler.h

Index: chrome/browser/debugger/devtools_protocol_handler.h
diff --git a/chrome/browser/debugger/devtools_protocol_handler.h b/chrome/browser/debugger/devtools_protocol_handler.h
index b1b9158d07ae5232f746bf8161ff191fefde8a9f..03ddf16aed8c7cbbfcaaa376ae60ea194842bf70 100644
--- a/chrome/browser/debugger/devtools_protocol_handler.h
+++ b/chrome/browser/debugger/devtools_protocol_handler.h
@@ -51,12 +51,12 @@ class DevToolsProtocolHandler
   }
 
   // DevToolsRemoteListener interface
-  virtual void HandleMessage(const DevToolsRemoteMessage& message);
-  virtual void OnAcceptConnection(net::ListenSocket *connection);
-  virtual void OnConnectionLost();
+  virtual void HandleMessage(const DevToolsRemoteMessage& message) OVERRIDE;
+  virtual void OnAcceptConnection(net::ListenSocket *connection) OVERRIDE;
+  virtual void OnConnectionLost() OVERRIDE;
 
   // OutboundSocketDelegate interface
-  virtual void Send(const DevToolsRemoteMessage& message);
+  virtual void Send(const DevToolsRemoteMessage& message) OVERRIDE;
 
  private:
   explicit DevToolsProtocolHandler(int port);