Add OVERRIDE to chrome/browser/chromeos/.

chrome/browser/chromeos/boot_times_loader.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_BOOT_TIMES_LOADER_H_
 #define CHROME_BROWSER_CHROMEOS_BOOT_TIMES_LOADER_H_
 #pragma once
 
 #include <set>
 #include <string>
 
 #include "base/atomic_sequence_num.h"
 #include "base/callback_old.h"
+#include "base/compiler_specific.h"
 #include "base/time.h"
 #include "content/browser/cancelable_request.h"
 #include "content/browser/renderer_host/render_widget_host.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 namespace chromeos {
 
 // BootTimesLoader loads the bootimes of Chrome OS from the file system.
 // Loading is done asynchronously on the file thread. Once loaded,
@@ skipping 74 matching lines @@
   // file thread. Existing stats files will not be overwritten.
   void RecordChromeMainStats();
 
   // Records the time that a login was attempted. This will overwrite any
   // previous login attempt times.
   void RecordLoginAttempted();
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details);
+                       const content::NotificationDetails& details) OVERRIDE;
 
   // Writes the logout times to a /tmp/logout-times-sent. Unlike login
   // times, we manually call this function for logout times, as we cannot
   // rely on notification service to tell when the logout is done.
   void WriteLogoutTimes();
 
  private:
   // BootTimesLoader calls into the Backend on the file thread to load
   // the boot times.
   class Backend : public base::RefCountedThreadSafe<Backend> {
@@ skipping 54 matching lines @@
   std::vector<TimeMarker> login_time_markers_;
   std::vector<TimeMarker> logout_time_markers_;
   std::set<RenderWidgetHost*> render_widget_hosts_loading_;
 
   DISALLOW_COPY_AND_ASSIGN(BootTimesLoader);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_BOOT_TIMES_LOADER_H_