Clean up Pepper ImageData resource class.

ppapi/thunk/ppb_image_data_thunk.cc

 // 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.
 
 // From ppb_image_data.idl modified Thu Apr 25 14:42:27 2013.
 
 #include <string.h>
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_image_data.h"
@@ skipping 22 matching lines @@
 
 PP_Resource Create(PP_Instance instance,
                    PP_ImageDataFormat format,
                    const struct PP_Size* size,
                    PP_Bool init_to_zero) {
   VLOG(4) << "PPB_ImageData::Create()";
   EnterResourceCreation enter(instance);
   if (enter.failed())
     return 0;
   return enter.functions()->CreateImageData(instance,
+#if !defined(OS_NACL)
+                                            PPB_ImageData_Shared::PLATFORM,
+#else
+                                            PPB_ImageData_Shared::SIMPLE,
+#endif
                                             format,
                                             size,
                                             init_to_zero);
 }
 
 PP_Bool IsImageData(PP_Resource image_data) {
   VLOG(4) << "PPB_ImageData::IsImageData()";
   EnterResource<PPB_ImageData_API> enter(image_data, false);
   return PP_FromBool(enter.succeeded());
 }
@@ skipping 35 matching lines @@
 };
 
 }  // namespace
 
 const PPB_ImageData_1_0* GetPPB_ImageData_1_0_Thunk() {
   return &g_ppb_imagedata_thunk_1_0;
 }
 
 }  // namespace thunk
 }  // namespace ppapi