base::ListValue::Append cleanup: pass unique_ptr instead of the released pointer.

extensions/browser/api/storage/settings_test_util.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 "extensions/browser/api/storage/settings_test_util.h"
 
 #include "base/files/file_path.h"
 #include "extensions/browser/api/storage/storage_frontend.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system_provider.h"
@@ skipping 11 matching lines @@
   for (int i = 0; i < 1024; ++i) {
     kilobyte_string += "a";
   }
   return std::unique_ptr<base::Value>(new base::StringValue(kilobyte_string));
 }
 
 // Creates a megabyte of data.
 std::unique_ptr<base::Value> CreateMegabyte() {
   base::ListValue* megabyte = new base::ListValue();
   for (int i = 0; i < 1000; ++i) {
-    megabyte->Append(CreateKilobyte().release());
+    megabyte->Append(CreateKilobyte());
   }
   return std::unique_ptr<base::Value>(megabyte);
 }
 
 // Intended as a StorageCallback from GetStorage.
 static void AssignStorage(ValueStore** dst, ValueStore* src) {
   *dst = src;
 }
 
 ValueStore* GetStorage(scoped_refptr<const Extension> extension,
@@ skipping 71 matching lines @@
       it != permissions_set.end(); ++it) {
     DCHECK(extension->permissions_data()->HasAPIPermission(*it));
   }
 
   return extension;
 }
 
 }  // namespace settings_test_util
 
 }  // namespace extensions