Standardize usage of virtual/override/final specifiers.

content/browser/fileapi/file_system_quota_client_unittest.cc

 // Copyright 2013 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/basictypes.h"
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/run_loop.h"
@@ skipping 26 matching lines @@
 
 }  // namespace
 
 class FileSystemQuotaClientTest : public testing::Test {
  public:
   FileSystemQuotaClientTest()
       : weak_factory_(this),
         additional_callback_count_(0),
         deletion_status_(storage::kQuotaStatusUnknown) {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
     file_system_context_ = CreateFileSystemContextForTesting(
             NULL, data_dir_.path());
   }
 
   struct TestFile {
     bool isDirectory;
     const char* name;
     int64 size;
     const char* origin_url;
@@ skipping 499 matching lines @@
             GetOriginUsage(quota_client.get(),
                            "https://bar.com/",
                            kPersistent));
   EXPECT_EQ(64 + file_paths_cost_temporary_bar_https,
             GetOriginUsage(quota_client.get(),
                            "https://bar.com/",
                            kTemporary));
 }
 
 }  // namespace content