replace OVERRIDE and FINAL with override and final in chrome/browser/[r-z]*

chrome/browser/services/gcm/gcm_account_tracker.h

Index: chrome/browser/services/gcm/gcm_account_tracker.h
diff --git a/chrome/browser/services/gcm/gcm_account_tracker.h b/chrome/browser/services/gcm/gcm_account_tracker.h
index 243b58b25671498d053a927f4d56bec75df50289..628e1edc50f7e78532a8abcec5f70fb7d2e299d1 100644
--- a/chrome/browser/services/gcm/gcm_account_tracker.h
+++ b/chrome/browser/services/gcm/gcm_account_tracker.h
@@ -81,17 +81,17 @@ class GCMAccountTracker : public gaia::AccountTracker::Observer,
   typedef std::map<std::string, AccountInfo> AccountInfos;
 
   // AccountTracker::Observer overrides.
-  virtual void OnAccountAdded(const gaia::AccountIds& ids) OVERRIDE;
-  virtual void OnAccountRemoved(const gaia::AccountIds& ids) OVERRIDE;
+  virtual void OnAccountAdded(const gaia::AccountIds& ids) override;
+  virtual void OnAccountRemoved(const gaia::AccountIds& ids) override;
   virtual void OnAccountSignInChanged(const gaia::AccountIds& ids,
-                                      bool is_signed_in) OVERRIDE;
+                                      bool is_signed_in) override;
 
   // OAuth2TokenService::Consumer overrides.
   virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
                                  const std::string& access_token,
-                                 const base::Time& expiration_time) OVERRIDE;
+                                 const base::Time& expiration_time) override;
   virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
-                                 const GoogleServiceAuthError& error) OVERRIDE;
+                                 const GoogleServiceAuthError& error) override;
 
   // Report the list of accounts with OAuth2 tokens back using the |callback_|
   // function. If there are token requests in progress, do nothing.