replace OVERRIDE and FINAL with override and final in extensions/

extensions/shell/common/shell_content_client.h

Index: extensions/shell/common/shell_content_client.h
diff --git a/extensions/shell/common/shell_content_client.h b/extensions/shell/common/shell_content_client.h
index d3583e247bc7d32e70b538da9d5e72296417f85c..e30f4d7946890db1ca56a99523e65ee83912de88 100644
--- a/extensions/shell/common/shell_content_client.h
+++ b/extensions/shell/common/shell_content_client.h
@@ -17,18 +17,18 @@ class ShellContentClient : public content::ContentClient {
   virtual ~ShellContentClient();
 
   virtual void AddPepperPlugins(
-      std::vector<content::PepperPluginInfo>* plugins) OVERRIDE;
+      std::vector<content::PepperPluginInfo>* plugins) override;
   virtual void AddAdditionalSchemes(
       std::vector<std::string>* standard_schemes,
-      std::vector<std::string>* saveable_shemes) OVERRIDE;
-  virtual std::string GetUserAgent() const OVERRIDE;
-  virtual base::string16 GetLocalizedString(int message_id) const OVERRIDE;
+      std::vector<std::string>* saveable_shemes) override;
+  virtual std::string GetUserAgent() const override;
+  virtual base::string16 GetLocalizedString(int message_id) const override;
   virtual base::StringPiece GetDataResource(
       int resource_id,
-      ui::ScaleFactor scale_factor) const OVERRIDE;
+      ui::ScaleFactor scale_factor) const override;
   virtual base::RefCountedStaticMemory* GetDataResourceBytes(
-      int resource_id) const OVERRIDE;
-  virtual gfx::Image& GetNativeImageNamed(int resource_id) const OVERRIDE;
+      int resource_id) const override;
+  virtual gfx::Image& GetNativeImageNamed(int resource_id) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShellContentClient);