Add OVERRIDE to chrome/browser/.

chrome/browser/nacl_host/nacl_process_host.h

Index: chrome/browser/nacl_host/nacl_process_host.h
diff --git a/chrome/browser/nacl_host/nacl_process_host.h b/chrome/browser/nacl_host/nacl_process_host.h
index ce734914e3bccbf1448df404478d161693ebc294..1ccb0f8e19ae8b9813cf752ec546731d5b8de9c0 100644
--- a/chrome/browser/nacl_host/nacl_process_host.h
+++ b/chrome/browser/nacl_host/nacl_process_host.h
@@ -36,13 +36,14 @@ class NaClProcessHost : public BrowserChildProcessHost {
               int socket_count,
               IPC::Message* reply_msg);
 
-  virtual bool OnMessageReceived(const IPC::Message& msg);
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   void OnProcessLaunchedByBroker(base::ProcessHandle handle);
 
  protected:
-  virtual base::TerminationStatus GetChildTerminationStatus(int* exit_code);
-  virtual void OnChildDied();
+  virtual base::TerminationStatus GetChildTerminationStatus(
+      int* exit_code) OVERRIDE;
+  virtual void OnChildDied() OVERRIDE;
 
  private:
   // Internal class that holds the nacl::Handle objecs so that
@@ -53,12 +54,12 @@ class NaClProcessHost : public BrowserChildProcessHost {
 
   bool LaunchSelLdr();
 
-  virtual void OnProcessLaunched();
+  virtual void OnProcessLaunched() OVERRIDE;
 
   void IrtReady();
   void SendStart(base::PlatformFile irt_file);
 
-  virtual bool CanShutdown();
+  virtual bool CanShutdown() OVERRIDE;
 
  private:
   // The ChromeRenderMessageFilter that requested this NaCl process.  We use