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

chrome/browser/search/contextual_search_promo_source_android.h

Index: chrome/browser/search/contextual_search_promo_source_android.h
diff --git a/chrome/browser/search/contextual_search_promo_source_android.h b/chrome/browser/search/contextual_search_promo_source_android.h
index 05bbfefdc8646d6d1b332fa630fbea16d957f65a..1a2319f68bc924b0abd2a969e68075e774b4e97e 100644
--- a/chrome/browser/search/contextual_search_promo_source_android.h
+++ b/chrome/browser/search/contextual_search_promo_source_android.h
@@ -21,12 +21,12 @@ class ContextualSearchPromoSourceAndroid : public content::URLDataSource {
       const std::string& path_and_query,
       int render_process_id,
       int render_frame_id,
-      const content::URLDataSource::GotDataCallback& callback) OVERRIDE;
-  virtual std::string GetSource() const OVERRIDE;
+      const content::URLDataSource::GotDataCallback& callback) override;
+  virtual std::string GetSource() const override;
   virtual std::string GetMimeType(
-      const std::string& path_and_query) const OVERRIDE;
-  virtual bool ShouldDenyXFrameOptions() const OVERRIDE;
-  virtual bool ShouldAddContentSecurityPolicy() const OVERRIDE;
+      const std::string& path_and_query) const override;
+  virtual bool ShouldDenyXFrameOptions() const override;
+  virtual bool ShouldAddContentSecurityPolicy() const override;
 
   // Sends unmodified resource bytes.
   void SendResource(