replace OVERRIDE and FINAL with override and final in chrome/browser/[j-q]*

chrome/browser/prefs/pref_metrics_service.h

 // Copyright 2013 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_PREFS_PREF_METRICS_SERVICE_H_
 #define CHROME_BROWSER_PREFS_PREF_METRICS_SERVICE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 19 matching lines @@
     static Factory* GetInstance();
     static PrefMetricsService* GetForProfile(Profile* profile);
    private:
     friend struct DefaultSingletonTraits<Factory>;
 
     Factory();
     virtual ~Factory();
 
     // BrowserContextKeyedServiceFactory implementation
     virtual KeyedService* BuildServiceInstanceFor(
-        content::BrowserContext* profile) const OVERRIDE;
-    virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
-    virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
+        content::BrowserContext* profile) const override;
+    virtual bool ServiceIsCreatedWithBrowserContext() const override;
+    virtual bool ServiceIsNULLWhileTesting() const override;
     virtual content::BrowserContext* GetBrowserContextToUse(
-        content::BrowserContext* context) const OVERRIDE;
+        content::BrowserContext* context) const override;
   };
 
  private:
   friend class PrefMetricsServiceTest;
 
   // Function to log a Value to a histogram
   typedef base::Callback<void(const std::string&, const base::Value*)>
       LogHistogramValueCallback;
 
   // For unit testing only.
@@ skipping 31 matching lines @@
 
   PrefChangeRegistrar pref_registrar_;
   scoped_ptr<SyncedPrefChangeRegistrar> synced_pref_change_registrar_;
 
   base::WeakPtrFactory<PrefMetricsService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefMetricsService);
 };
 
 #endif  // CHROME_BROWSER_PREFS_PREF_METRICS_SERVICE_H_