Wire up the policy for controlling pinned apps in the ash launcher.

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_
 #pragma once
 
 #include <vector>
 
@@ skipping 81 matching lines @@
   virtual void ApplyPolicySettings(const PolicyMap& policies,
                                    PrefValueMap* prefs) OVERRIDE;
 
  private:
   // The DictionaryValue path of the preference the policy maps to.
   const char* pref_path_;
 
   DISALLOW_COPY_AND_ASSIGN(SimplePolicyHandler);
 };
 
+// Implements additional checks for policies that are lists of extension IDs.
+class ExtensionListPolicyHandler : public TypeCheckingPolicyHandler {
+ public:
+  ExtensionListPolicyHandler(const char* policy_name,
+                             const char* pref_path,
+                             bool allow_wildcards);
+  virtual ~ExtensionListPolicyHandler();
+
+  // ConfigurationPolicyHandler methods:
+  virtual bool CheckPolicySettings(const PolicyMap& policies,
+                                   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);
+
+ private:
+  const char* pref_path_;
+  bool allow_wildcards_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExtensionListPolicyHandler);
+};
+
 // ConfigurationPolicyHandler for the SyncDisabled policy.
 class SyncPolicyHandler : public TypeCheckingPolicyHandler {
  public:
   SyncPolicyHandler();
   virtual ~SyncPolicyHandler();
 
   // ConfigurationPolicyHandler methods:
   virtual void ApplyPolicySettings(const PolicyMap& policies,
                                    PrefValueMap* prefs) OVERRIDE;
 
@@ skipping 209 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_