Standardize usage of virtual/override/final in content/browser/

content/browser/service_worker/service_worker_cache_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 "content/browser/service_worker/service_worker_cache.h"
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/run_loop.h"
@@ skipping 268 matching lines @@
   std::string expected_blob_data_;
 
   ServiceWorkerCache::ErrorType callback_error_;
   scoped_ptr<ServiceWorkerResponse> callback_response_;
   scoped_ptr<storage::BlobDataHandle> callback_response_data_;
   std::vector<std::string> callback_strings_;
 };
 
 class ServiceWorkerCacheTestP : public ServiceWorkerCacheTest,
                                 public testing::WithParamInterface<bool> {
-  virtual bool MemoryOnly() override { return !GetParam(); }
+  bool MemoryOnly() override { return !GetParam(); }
 };
 
 TEST_P(ServiceWorkerCacheTestP, PutNoBody) {
   EXPECT_TRUE(Put(no_body_request_, no_body_response_));
   EXPECT_TRUE(callback_response_);
   EXPECT_STREQ(no_body_response_.url.spec().c_str(),
                callback_response_->url.spec().c_str());
   EXPECT_FALSE(callback_response_data_);
   EXPECT_STREQ("", callback_response_->blob_uuid.c_str());
   EXPECT_EQ(0u, callback_response_->blob_size);
@@ skipping 228 matching lines @@
   request.headers["content-type"] = "foo";
   request.headers["Content-Type"] = "bar";
   EXPECT_EQ("bar", request.headers["content-type"]);
 }
 
 INSTANTIATE_TEST_CASE_P(ServiceWorkerCacheTest,
                         ServiceWorkerCacheTestP,
                         ::testing::Values(false, true));
 
 }  // namespace content