replace OVERRIDE and FINAL with override and final in chrome/browser/[a-i]*

chrome/browser/browsing_data/browsing_data_quota_helper_impl.h

Index: chrome/browser/browsing_data/browsing_data_quota_helper_impl.h
diff --git a/chrome/browser/browsing_data/browsing_data_quota_helper_impl.h b/chrome/browser/browsing_data/browsing_data_quota_helper_impl.h
index 6da36bf63fa2297f246af6de606fa63d05aff41b..90127b187e30d0c2e62d25915d897f73ccb7dc6c 100644
--- a/chrome/browser/browsing_data/browsing_data_quota_helper_impl.h
+++ b/chrome/browser/browsing_data/browsing_data_quota_helper_impl.h
@@ -27,8 +27,8 @@ class QuotaManager;
 // IO thread, we have to communicate over thread using PostTask.
 class BrowsingDataQuotaHelperImpl : public BrowsingDataQuotaHelper {
  public:
-  virtual void StartFetching(const FetchResultCallback& callback) OVERRIDE;
-  virtual void RevokeHostQuota(const std::string& host) OVERRIDE;
+  virtual void StartFetching(const FetchResultCallback& callback) override;
+  virtual void RevokeHostQuota(const std::string& host) override;
 
  private:
   BrowsingDataQuotaHelperImpl(base::MessageLoopProxy* ui_thread,