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

chrome/test/webdriver/webdriver_session.h

 // 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.
 
 #ifndef CHROME_TEST_WEBDRIVER_WEBDRIVER_SESSION_H_
 #define CHROME_TEST_WEBDRIVER_WEBDRIVER_SESSION_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 125 matching lines @@
   Error* NavigateToURL(const std::string& url);
   Error* GoForward();
   Error* GoBack();
   Error* Reload();
   Error* GetURL(std::string* url);
   Error* GetTitle(std::string* tab_title);
   Error* GetScreenShot(std::string* png);
 #if !defined(NO_TCMALLOC) && (defined(OS_LINUX) || defined(OS_CHROMEOS))
   Error* HeapProfilerDump(const std::string& reason);
 #endif  // !defined(NO_TCMALLOC) && (defined(OS_LINUX) || defined(OS_CHROMEOS))
-  Error* GetCookies(const std::string& url, base::ListValue** cookies);
+  Error* GetCookies(const std::string& url,
+                    scoped_ptr<base::ListValue>* cookies);
   Error* DeleteCookie(const std::string& url, const std::string& cookie_name);
   Error* SetCookie(const std::string& url, base::DictionaryValue* cookie_dict);
 
   // Gets all the currently open views.
   Error* GetViews(std::vector<WebViewInfo>* views);
 
   // Switches the view used by default. |id_or_name| is either a view ID
   // returned by |GetViews| or the name attribute of a DOM window.
   // Only tabs are considered when searching by name.
   Error* SwitchToView(const std::string& id_or_name);
@@ skipping 337 matching lines @@
   // (e.g., 18.0.995.0 -> 995). Only valid after Chrome has started.
   // See http://dev.chromium.org/releases/version-numbers.
   int build_no_;
 
   DISALLOW_COPY_AND_ASSIGN(Session);
 };
 
 }  // namespace webdriver
 
 #endif  // CHROME_TEST_WEBDRIVER_WEBDRIVER_SESSION_H_