Standardize usage of virtual/override/final in chrome/browser/extensions/

chrome/browser/extensions/extension_gcm_app_handler_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/extension_gcm_app_handler.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 122 matching lines @@
 
 class FakeExtensionGCMAppHandler : public ExtensionGCMAppHandler {
  public:
   FakeExtensionGCMAppHandler(Profile* profile, Waiter* waiter)
       : ExtensionGCMAppHandler(profile),
         waiter_(waiter),
         unregistration_result_(gcm::GCMClient::UNKNOWN_ERROR),
         app_handler_count_drop_to_zero_(false) {
   }
 
-  virtual ~FakeExtensionGCMAppHandler() {
-  }
+  ~FakeExtensionGCMAppHandler() override {}
 
-  virtual void OnMessage(
+  void OnMessage(const std::string& app_id,
+                 const gcm::GCMClient::IncomingMessage& message) override {}
+
+  void OnMessagesDeleted(const std::string& app_id) override {}
+
+  void OnSendError(
       const std::string& app_id,
-      const gcm::GCMClient::IncomingMessage& message) override {
-  }
+      const gcm::GCMClient::SendErrorDetails& send_error_details) override {}
 
-  virtual void OnMessagesDeleted(const std::string& app_id) override {
-  }
-
-  virtual void OnSendError(
-      const std::string& app_id,
-      const gcm::GCMClient::SendErrorDetails& send_error_details) override {
-  }
-
-  virtual void OnUnregisterCompleted(const std::string& app_id,
-                                     gcm::GCMClient::Result result) override {
+  void OnUnregisterCompleted(const std::string& app_id,
+                             gcm::GCMClient::Result result) override {
     unregistration_result_ = result;
     waiter_->SignalCompleted();
   }
 
-  virtual void RemoveAppHandler(const std::string& app_id) override{
+  void RemoveAppHandler(const std::string& app_id) override {
     ExtensionGCMAppHandler::RemoveAppHandler(app_id);
     if (!GetGCMDriver()->app_handlers().size())
       app_handler_count_drop_to_zero_ = true;
   }
 
   gcm::GCMClient::Result unregistration_result() const {
     return unregistration_result_;
   }
   bool app_handler_count_drop_to_zero() const {
     return app_handler_count_drop_to_zero_;
@@ skipping 314 matching lines @@
 
   // App handler is removed when the extension is updated to the version that
   // has GCM permission removed.
   UpdateExtension(extension.get(), "good2.crx");
   waiter()->PumpUILoop();
   EXPECT_TRUE(gcm_app_handler()->app_handler_count_drop_to_zero());
   EXPECT_FALSE(HasAppHandlers(extension->id()));
 }
 
 }  // namespace extensions