Standardize usage of virtual/override/final specifiers.

content/browser/fileapi/isolated_context_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 <string>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "storage/browser/fileapi/file_system_url.h"
 #include "storage/browser/fileapi/isolated_context.h"
@@ skipping 37 matching lines @@
 
 }  // namespace
 
 class IsolatedContextTest : public testing::Test {
  public:
   IsolatedContextTest() {
     for (size_t i = 0; i < arraysize(kTestPaths); ++i)
       fileset_.insert(kTestPaths[i].NormalizePathSeparators());
   }
 
-  virtual void SetUp() {
+  void SetUp() override {
     IsolatedContext::FileInfoSet files;
     for (size_t i = 0; i < arraysize(kTestPaths); ++i) {
       std::string name;
       ASSERT_TRUE(
           files.AddPath(kTestPaths[i].NormalizePathSeparators(), &name));
       names_.push_back(name);
     }
     id_ = IsolatedContext::GetInstance()->RegisterDraggedFileSystem(files);
     IsolatedContext::GetInstance()->AddReference(id_);
     ASSERT_FALSE(id_.empty());
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     IsolatedContext::GetInstance()->RemoveReference(id_);
   }
 
   IsolatedContext* isolated_context() const {
     return IsolatedContext::GetInstance();
   }
 
  protected:
   std::string id_;
   std::multiset<base::FilePath> fileset_;
@@ skipping 270 matching lines @@
   FileSystemMountOption cracked_option;
   ASSERT_TRUE(isolated_context()->CrackVirtualPath(
       whole_virtual_path, &cracked_id, NULL, &cracked_inner_id,
       &cracked_path, &cracked_option));
   ASSERT_EQ(database_fsid, cracked_id);
   ASSERT_EQ(test_virtual_path, cracked_path);
   EXPECT_TRUE(cracked_inner_id.empty());
 }
 
 }  // namespace content