Rewrite simple uses of base::ListValue::Append(base::Value*) on CrOS.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl_unittest.cc

 // Copyright 2013 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 "chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 356 matching lines @@
     // Fake gmail extension.
     base::DictionaryValue manifest_gmail;
     manifest_gmail.SetString(extensions::manifest_keys::kName,
                              "Gmail launcher controller test extension");
     manifest_gmail.SetString(extensions::manifest_keys::kVersion, "1");
     manifest_gmail.SetString(extensions::manifest_keys::kDescription,
                              "for testing pinned Gmail");
     manifest_gmail.SetString(extensions::manifest_keys::kLaunchWebURL,
                              kGmailLaunchURL);
     base::ListValue* list = new base::ListValue();
-    list->Append(new base::StringValue("*://mail.google.com/mail/ca"));
+    list->AppendString("*://mail.google.com/mail/ca");
     manifest_gmail.Set(extensions::manifest_keys::kWebURLs, list);
 
     extension3_ = Extension::Create(base::FilePath(), Manifest::UNPACKED,
                                     manifest_gmail,
                                     Extension::NO_FLAGS,
                                     extension_misc::kGmailAppId,
                                     &error);
 
     // Fake google docs extension.
     extension4_ = Extension::Create(base::FilePath(), Manifest::UNPACKED,
@@ skipping 3569 matching lines @@
       app_service_->GetPinPosition(extension_misc::kChromeAppId)));
   EXPECT_TRUE(
       position_1.Equals(app_service_->GetPinPosition(extension1_->id())));
   EXPECT_TRUE(
       position_1.Equals(app_service_->GetPinPosition(extension1_->id())));
   EXPECT_TRUE(
       position_2.Equals(app_service_->GetPinPosition(extension2_->id())));
   EXPECT_TRUE(
       position_3.Equals(app_service_->GetPinPosition(extension3_->id())));
 }