Standardize usage of virtual/override/final in mojo/

mojo/shell/dynamic_application_loader_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 "base/files/scoped_temp_dir.h"
 #include "mojo/shell/context.h"
 #include "mojo/shell/dynamic_application_loader.h"
 #include "mojo/shell/dynamic_service_runner.h"
 #include "mojo/shell/filename_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 12 matching lines @@
   bool runner_was_created;
   bool runner_was_started;
   bool runner_was_destroyed;
 };
 
 class TestDynamicServiceRunner : public DynamicServiceRunner {
  public:
   explicit TestDynamicServiceRunner(TestState* state) : state_(state) {
     state_->runner_was_created = true;
   }
-  virtual ~TestDynamicServiceRunner() {
+  ~TestDynamicServiceRunner() override {
     state_->runner_was_destroyed = true;
     base::MessageLoop::current()->Quit();
   }
-  virtual void Start(const base::FilePath& app_path,
-                     ScopedMessagePipeHandle service_handle,
-                     const base::Closure& app_completed_callback) override {
+  void Start(const base::FilePath& app_path,
+             ScopedMessagePipeHandle service_handle,
+             const base::Closure& app_completed_callback) override {
     state_->runner_was_started = true;
   }
 
  private:
   TestState* state_;
 };
 
 class TestDynamicServiceRunnerFactory : public DynamicServiceRunnerFactory {
  public:
   explicit TestDynamicServiceRunnerFactory(TestState* state) : state_(state) {}
-  virtual ~TestDynamicServiceRunnerFactory() {}
-  virtual scoped_ptr<DynamicServiceRunner> Create(Context* context) override {
+  ~TestDynamicServiceRunnerFactory() override {}
+  scoped_ptr<DynamicServiceRunner> Create(Context* context) override {
     return scoped_ptr<DynamicServiceRunner>(
         new TestDynamicServiceRunner(state_));
   }
 
  private:
   TestState* state_;
 };
 
 }  // namespace
 
@@ skipping 24 matching lines @@
   scoped_refptr<ApplicationLoader::SimpleLoadCallbacks> callbacks(
       new ApplicationLoader::SimpleLoadCallbacks(pipe.handle0.Pass()));
   loader_->Load(context_.application_manager(), url, callbacks);
   EXPECT_FALSE(state_.runner_was_created);
   EXPECT_FALSE(state_.runner_was_started);
   EXPECT_FALSE(state_.runner_was_destroyed);
 }
 
 }  // namespace shell
 }  // namespace mojo