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

content/browser/net/sqlite_persistent_cookie_store_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 "content/browser/net/sqlite_persistent_cookie_store.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 22 matching lines @@
 
 namespace content {
 
 namespace {
 
 const base::FilePath::CharType kCookieFilename[] = FILE_PATH_LITERAL("Cookies");
 
 class CookieCryptor : public content::CookieCryptoDelegate {
  public:
   CookieCryptor();
-  virtual bool EncryptString(const std::string& plaintext,
-                             std::string* ciphertext) override;
-  virtual bool DecryptString(const std::string& ciphertext,
-                             std::string* plaintext) override;
+  bool EncryptString(const std::string& plaintext,
+                     std::string* ciphertext) override;
+  bool DecryptString(const std::string& ciphertext,
+                     std::string* plaintext) override;
 
  private:
   scoped_ptr<crypto::SymmetricKey> key_;
   crypto::Encryptor encryptor_;
 };
 
 CookieCryptor::CookieCryptor() : key_(
     crypto::SymmetricKey::DeriveKeyFromPassword(
         crypto::SymmetricKey::AES, "password", "saltiest", 1000, 256)) {
   std::string iv("the iv: 16 bytes");
@@ skipping 542 matching lines @@
   EXPECT_EQ(2, resultcount);
 
   // Verify that "encrypted_value" is NOT visible in the file.
   contents = ReadRawDBContents();
   EXPECT_NE(0U, contents.length());
   EXPECT_EQ(contents.find("encrypted_value123XYZ"), std::string::npos);
   EXPECT_EQ(contents.find("something456ABC"), std::string::npos);
 }
 
 }  // namespace content