Use std::unique_ptr for base::DictionaryValue and base::ListValue's internal store.

sync/test/fake_server/fake_server_verifier.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 "sync/test/fake_server/fake_server_verifier.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
@@ skipping 92 matching lines @@
   std::unique_ptr<base::DictionaryValue> entities =
       fake_server_->GetEntitiesAsDictionaryValue();
   if (!entities.get()) {
     return DictionaryCreationAssertionFailure();
   }
 
   string model_type_string = ModelTypeToString(model_type);
   base::ListValue* entity_list = NULL;
   size_t actual_count = 0;
   if (entities->GetList(model_type_string, &entity_list)) {
-    std::unique_ptr<base::Value> name_value(new base::StringValue(name));
-    for (base::ListValue::const_iterator it = entity_list->begin();
-         it != entity_list->end(); ++it) {
-      if (name_value->Equals(*it)) {
+    base::StringValue name_value(name);
+    for (const auto& entity : *entity_list) {
+      if (name_value.Equals(entity.get()))
         actual_count++;
-      }
     }
   }
 
   if (!entity_list) {
     return UnknownTypeAssertionFailure(model_type_string);
   } else if (actual_count != expected_count) {
     return VerificationCountAssertionFailure(actual_count, expected_count)
         << "; Name: "
         << name
         << "\n\n"
@@ skipping 53 matching lines @@
         return AssertionFailure() << "Malformed data: Tab entity not found.";
       }
       tab_urls.insert(tab_ids_to_urls[tab_id]);
     }
     actual_sessions.AddWindow(tab_urls);
   }
   return VerifySessionsHierarchyEquality(expected_sessions, actual_sessions);
 }
 
 }  // namespace fake_server