Add OVERRIDE to content/.

content/browser/worker_host/worker_process_host.h

Index: content/browser/worker_host/worker_process_host.h
diff --git a/content/browser/worker_host/worker_process_host.h b/content/browser/worker_host/worker_process_host.h
index 8faa6c404673fe65f00c70bde1a84232fa8c9854..e82e3d256194e4cdabc1ea0b1a60d281308fe546 100644
--- a/content/browser/worker_host/worker_process_host.h
+++ b/content/browser/worker_host/worker_process_host.h
@@ -149,14 +149,14 @@ class WorkerProcessHost : public BrowserChildProcessHost {
 
  private:
   // Called when the process has been launched successfully.
-  virtual void OnProcessLaunched();
+  virtual void OnProcessLaunched() OVERRIDE;
 
   // Creates and adds the message filters.
   void CreateMessageFilters(int render_process_id);
 
   // IPC::Channel::Listener implementation:
   // Called when a message arrives from the worker process.
-  virtual bool OnMessageReceived(const IPC::Message& message);
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   void OnWorkerContextClosed(int worker_route_id);
   void OnAllowDatabase(int worker_route_id,
@@ -175,7 +175,7 @@ class WorkerProcessHost : public BrowserChildProcessHost {
                     WorkerMessageFilter* filter,
                     int route_id);
 
-  virtual bool CanShutdown();
+  virtual bool CanShutdown() OVERRIDE;
 
   // Updates the title shown in the task manager.
   void UpdateTitle();