Make element removal methods in DictionaryValue and ListValue take scoped_ptr's as outparams.

chrome/test/webdriver/webdriver_session.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 "chrome/test/webdriver/webdriver_session.h"
 
 #include <sstream>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 542 matching lines @@
     RunSessionTask(base::Bind(
         &Automation::MouseDoubleClickDeprecated,
         base::Unretained(automation_.get()),
         current_target_.view_id,
         mouse_position_,
         &error));
   }
   return error;
 }
 
-Error* Session::GetCookies(const std::string& url, base::ListValue** cookies) {
+Error* Session::GetCookies(const std::string& url,
+                           scoped_ptr<base::ListValue>* cookies) {
   Error* error = NULL;
   RunSessionTask(base::Bind(
       &Automation::GetCookies,
       base::Unretained(automation_.get()),
       url,
       cookies,
       &error));
   return error;
 }
 
@@ skipping 1363 matching lines @@
        !iter.IsAtEnd(); iter.Advance()) {
     Error* error = SetPreference(iter.key(), false /* is_user_pref */,
                                  iter.value().DeepCopy());
     if (error)
       return error;
   }
   return NULL;
 }
 
 }  // namespace webdriver