Don't reject extension list policies with invalid entries.

chrome/browser/policy/configuration_policy_handler.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_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_H_
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/common/content_settings.h"
 
 class PrefValueMap;
 
 namespace policy {
 
 class PolicyErrorMap;
 class PolicyMap;
@@ skipping 91 matching lines @@
                                    PolicyErrorMap* errors) OVERRIDE;
   virtual void ApplyPolicySettings(const PolicyMap& policies,
                                    PrefValueMap* prefs) OVERRIDE;
 
  protected:
   const char* pref_path() const;
 
   // Runs sanity checks on the policy value and returns it in |extension_ids|.
   bool CheckAndGetList(const PolicyMap& policies,
                        PolicyErrorMap* errors,
-                       const base::ListValue** extension_ids);
+                       scoped_ptr<base::ListValue>* extension_ids);
 
  private:
   const char* pref_path_;
   bool allow_wildcards_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionListPolicyHandler);
 };
 
 // Implements additional checks for policies that are lists of extension
 // URLPatterns.
@@ skipping 266 matching lines @@
  private:
   void ApplyPolicySettingsFromHomePage(const PolicyMap& policies,
                                        PrefValueMap* prefs);
 
   DISALLOW_COPY_AND_ASSIGN(RestoreOnStartupPolicyHandler);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_H_