replace OVERRIDE and FINAL with override and final in extensions/

extensions/shell/browser/shell_display_info_provider.h

Index: extensions/shell/browser/shell_display_info_provider.h
diff --git a/extensions/shell/browser/shell_display_info_provider.h b/extensions/shell/browser/shell_display_info_provider.h
index 5b041d993fa0cac82bde2dc583bb1013cb218c19..a68bcd50a9f3c174cb4d84a9a0fe18a408b8a621 100644
--- a/extensions/shell/browser/shell_display_info_provider.h
+++ b/extensions/shell/browser/shell_display_info_provider.h
@@ -17,11 +17,11 @@ class ShellDisplayInfoProvider : public DisplayInfoProvider {
   // DisplayInfoProvider implementation.
   virtual bool SetInfo(const std::string& display_id,
                        const core_api::system_display::DisplayProperties& info,
-                       std::string* error) OVERRIDE;
+                       std::string* error) override;
   virtual void UpdateDisplayUnitInfoForPlatform(
       const gfx::Display& display,
-      extensions::core_api::system_display::DisplayUnitInfo* unit) OVERRIDE;
-  virtual gfx::Screen* GetActiveScreen() OVERRIDE;
+      extensions::core_api::system_display::DisplayUnitInfo* unit) override;
+  virtual gfx::Screen* GetActiveScreen() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShellDisplayInfoProvider);