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

chrome/browser/extensions/api/copresence/copresence_api_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/json/json_writer.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/api/copresence/copresence_api.h"
 #include "chrome/browser/extensions/extension_api_unittest.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
 #include "components/copresence/proto/data.pb.h"
@@ skipping 53 matching lines @@
     return false;
 
   *out = things.Get(0);
   return true;
 }
 
 class MockCopresenceManager : public CopresenceManager {
  public:
   explicit MockCopresenceManager(CopresenceDelegate* delegate)
       : delegate_(delegate) {}
-  virtual ~MockCopresenceManager() {}
+  ~MockCopresenceManager() override {}
 
-  virtual void ExecuteReportRequest(
+  void ExecuteReportRequest(
       ReportRequest request,
       const std::string& app_id,
       const copresence::StatusCallback& status_callback) override {
     request_ = request;
     app_id_ = app_id;
     status_callback.Run(copresence::SUCCESS);
   }
 
   CopresenceDelegate* delegate_;
 
@@ skipping 177 matching lines @@
 
 TEST_F(CopresenceApiUnittest, MultipleOperations) {
   scoped_ptr<Operation> multi_operation(new Operation);
   multi_operation->publish.reset(CreatePublish("pub"));
   multi_operation->subscribe.reset(CreateSubscribe("sub"));
 
   EXPECT_FALSE(ExecuteOperation(multi_operation.Pass()));
 }
 
 }  // namespace extensions