Disable sync promo when RestoreOnStartupURLs policy is used

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 336 matching lines @@
   virtual void ApplyPolicySettings(const PolicyMap& policies,
                                    PrefValueMap* prefs) OVERRIDE;
 
  private:
   void ApplyPolicySettingsFromHomePage(const PolicyMap& policies,
                                        PrefValueMap* prefs);
 
   DISALLOW_COPY_AND_ASSIGN(RestoreOnStartupPolicyHandler);
 };
 
+// Handles RestoreOnStartupURLs policy.
+class RestoreOnStartupURLsPolicyHandler : public TypeCheckingPolicyHandler {
+ public:
+  RestoreOnStartupURLsPolicyHandler();
+  virtual ~RestoreOnStartupURLsPolicyHandler();
+
+  // ConfigurationPolicyHandler methods:
+  virtual void ApplyPolicySettings(const PolicyMap& policies,
+                                   PrefValueMap* prefs) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(RestoreOnStartupURLsPolicyHandler);
+};
+
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_H_