Fix registerProtocolHandler OS registration on Windows 8

chrome/browser/custom_handlers/protocol_handler_registry.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_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_H_
 #define CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 25 matching lines @@
       : public ShellIntegration::DefaultWebClientObserver {
    public:
     explicit DefaultClientObserver(ProtocolHandlerRegistry* registry);
     virtual ~DefaultClientObserver();
 
     // Get response from the worker regarding whether Chrome is the default
     // handler for the protocol.
     virtual void SetDefaultWebClientUIState(
         ShellIntegration::DefaultWebClientUIState state) OVERRIDE;
 
+    virtual bool IsInteractiveSetDefaultPermitted() OVERRIDE;
+
     // Give the observer a handle to the worker, so we can find out the protocol
     // when we're called and also tell the worker if we get deleted.
     void SetWorker(ShellIntegration::DefaultProtocolClientWorker* worker);
 
    protected:
     ShellIntegration::DefaultProtocolClientWorker* worker_;
 
    private:
     virtual bool IsOwnedByWorker() OVERRIDE;
 
@@ skipping 227 matching lines @@
 
   // Copy of registry data for use on the IO thread. Changes to the registry
   // are posted to the IO thread where updates are applied to this object.
   scoped_refptr<Core> core_;
 
   DefaultClientObserverList default_client_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(ProtocolHandlerRegistry);
 };
 #endif  // CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_H_