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

content/browser/appcache/chrome_appcache_service_unittest.cc

 // Copyright (c) 2012 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/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "content/browser/appcache/appcache_database.h"
@@ skipping 21 matching lines @@
 const char kSessionOnlyManifest[] = "http://www.sessiononly.com/cache.manifest";
 
 class MockURLRequestContextGetter : public net::URLRequestContextGetter {
  public:
   MockURLRequestContextGetter(
       net::URLRequestContext* context,
       base::MessageLoopProxy* message_loop_proxy)
       : context_(context), message_loop_proxy_(message_loop_proxy) {
   }
 
-  virtual net::URLRequestContext* GetURLRequestContext() override {
-    return context_;
-  }
+  net::URLRequestContext* GetURLRequestContext() override { return context_; }
 
-  virtual scoped_refptr<base::SingleThreadTaskRunner>
-      GetNetworkTaskRunner() const override {
+  scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
+      const override {
     return message_loop_proxy_;
   }
 
  protected:
-  virtual ~MockURLRequestContextGetter() {}
+  ~MockURLRequestContextGetter() override {}
 
  private:
   net::URLRequestContext* context_;
   scoped_refptr<base::SingleThreadTaskRunner> message_loop_proxy_;
 };
 
 }  // namespace
 
 class ChromeAppCacheServiceTest : public testing::Test {
  public:
@@ skipping 151 matching lines @@
   EXPECT_TRUE(origins.find(kNormalManifestURL.GetOrigin()) != origins.end());
   EXPECT_TRUE(origins.find(kSessionOnlyManifestURL.GetOrigin()) !=
               origins.end());
 
   // Delete and let cleanup tasks run prior to returning.
   appcache_service = NULL;
   message_loop_.RunUntilIdle();
 }
 
 }  // namespace content