Use unique_ptr<DictionaryValue> in ProxyConfigDictionary

chrome/browser/prefs/chrome_command_line_pref_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 <gtest/gtest.h>
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 21 matching lines @@
 
   bool ProxySwitchesAreValid() {
     return ValidateProxySwitches();
   }
 
   void VerifyProxyMode(ProxyPrefs::ProxyMode expected_mode) {
     const base::Value* value = NULL;
     ASSERT_TRUE(GetValue(proxy_config::prefs::kProxy, &value));
     ASSERT_EQ(base::Value::Type::DICTIONARY, value->GetType());
     ProxyConfigDictionary dict(
-        static_cast<const base::DictionaryValue*>(value));
+        static_cast<const base::DictionaryValue*>(value)->CreateDeepCopy());
     ProxyPrefs::ProxyMode actual_mode;
     ASSERT_TRUE(dict.GetMode(&actual_mode));
     EXPECT_EQ(expected_mode, actual_mode);
   }
 
   void VerifySSLCipherSuites(const char* const* ciphers,
                              size_t cipher_count) {
     const base::Value* value = NULL;
     ASSERT_TRUE(GetValue(ssl_config::prefs::kCipherSuiteBlacklist, &value));
     ASSERT_EQ(base::Value::Type::LIST, value->GetType());
@@ skipping 62 matching lines @@
 
   const base::Value* actual = NULL;
   EXPECT_FALSE(store->GetValue(unknown_bool, &actual));
   EXPECT_FALSE(store->GetValue(unknown_string, &actual));
 
   store->VerifyProxyMode(ProxyPrefs::MODE_FIXED_SERVERS);
 
   const base::Value* value = NULL;
   ASSERT_TRUE(store->GetValue(proxy_config::prefs::kProxy, &value));
   ASSERT_EQ(base::Value::Type::DICTIONARY, value->GetType());
-  ProxyConfigDictionary dict(static_cast<const base::DictionaryValue*>(value));
+  ProxyConfigDictionary dict(
+      static_cast<const base::DictionaryValue*>(value)->CreateDeepCopy());
 
   std::string string_result;
 
   ASSERT_TRUE(dict.GetProxyServer(&string_result));
   EXPECT_EQ("proxy", string_result);
 
   ASSERT_TRUE(dict.GetBypassList(&string_result));
   EXPECT_EQ("list", string_result);
 }
 
@@ skipping 80 matching lines @@
   cl3.AppendSwitchASCII(switches::kCipherSuiteBlacklist,
                         "0x0004;MOAR;0x0005");
   scoped_refptr<TestCommandLinePrefStore> store3 =
       new TestCommandLinePrefStore(&cl3);
   const char* const expected_ciphers3[] = {
     "0x0004;MOAR;0x0005"
   };
   store3->VerifySSLCipherSuites(expected_ciphers3,
                                 arraysize(expected_ciphers3));
 }