Broker out PPAPI handle duplication

ppapi/proxy/host_dispatcher.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 PPAPI_PROXY_HOST_DISPATCHER_H_
 #define PPAPI_PROXY_HOST_DISPATCHER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 29 matching lines @@
 
     // Notification that a sync message reply was received and the dispatcher
     // is no longer blocked on a sync message.
     virtual void EndBlockOnSyncMessage() = 0;
   };
 
   // Constructor for the renderer side. This will take a reference to the
   // SyncMessageStatusReceiver.
   //
   // You must call InitHostWithChannel after the constructor.
-  HostDispatcher(base::ProcessHandle host_process_handle,
-                 PP_Module module,
+  HostDispatcher(PP_Module module,
                  PP_GetInterface_Func local_get_interface,
                  SyncMessageStatusReceiver* sync_status);
   ~HostDispatcher();
 
   // You must call this function before anything else. Returns true on success.
   // The delegate pointer must outlive this class, ownership is not
   // transferred.
   virtual bool InitHostWithChannel(Delegate* delegate,
                                    const IPC::ChannelHandle& channel_handle,
                                    bool is_client,
@@ skipping 83 matching lines @@
  private:
   HostDispatcher* dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedModuleReference);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_HOST_DISPATCHER_H_