Make a global enum to differentiate impl & proxy.

ppapi/shared_impl/ppb_url_request_info_shared.h

 // Copyright (c) 2011 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_SHARED_IMPL_PPB_URL_REQUEST_INFO_SHARED_H_
 #define PPAPI_SHARED_IMPL_PPB_URL_REQUEST_INFO_SHARED_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 72 matching lines @@
   std::vector<BodyItem> body;
 
   // If you add more stuff here, be sure to modify the serialization rules in
   // ppapi_messages.h
 };
 
 class PPAPI_SHARED_EXPORT PPB_URLRequestInfo_Shared
     : public ::ppapi::Resource,
       public ::ppapi::thunk::PPB_URLRequestInfo_API {
  public:
-  // This constructor initializes the object as a proxy object with the given
-  // host resource.
-  PPB_URLRequestInfo_Shared(const HostResource& host_resource,
-                     const PPB_URLRequestInfo_Data& data);
-
+  PPB_URLRequestInfo_Shared(ResourceObjectType type,
+                            PP_Instance instance,
+                            const PPB_URLRequestInfo_Data& data);
   ~PPB_URLRequestInfo_Shared();
 
   // Resource overrides.
   virtual thunk::PPB_URLRequestInfo_API* AsPPB_URLRequestInfo_API() OVERRIDE;
 
   // PPB_URLRequestInfo_API implementation.
   virtual PP_Bool SetProperty(PP_URLRequestProperty property,
                               PP_Var var) OVERRIDE;
   virtual PP_Bool AppendDataToBody(const void* data, uint32_t len) OVERRIDE;
   virtual PP_Bool AppendFileToBody(
@@ skipping 19 matching lines @@
 
  private:
   PPB_URLRequestInfo_Data data_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PPB_URLRequestInfo_Shared);
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_PPB_URL_REQUEST_INFO_SHARED_H_