PPAPI: Force async callback invocation option.

ppapi/thunk/ppb_surface_3d_thunk.cc

 // 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.
 
 #include "ppapi/c/pp_errors.h"
+#include "ppapi/thunk/common.h"
+#include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/thunk.h"
-#include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_surface_3d_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 PP_Resource Create(PP_Instance instance,
                    PP_Config3D_Dev config,
@@ skipping 22 matching lines @@
   EnterResource<PPB_Surface3D_API> enter(surface, true);
   if (enter.failed())
     return PP_ERROR_BADRESOURCE;
   return enter.object()->GetAttrib(attribute, value);
 }
 
 int32_t SwapBuffers(PP_Resource surface,
                     PP_CompletionCallback callback) {
   EnterResource<PPB_Surface3D_API> enter(surface, true);
   if (enter.failed())
-    return PP_ERROR_BADRESOURCE;
-  return enter.object()->SwapBuffers(callback);
+    return MayForceCallback(callback, PP_ERROR_BADRESOURCE);
+  int32_t result = enter.object()->SwapBuffers(callback);
+  return MayForceCallback(callback, result);
 }
 
 const PPB_Surface3D_Dev g_ppb_surface_3d_thunk = {
   &Create,
   &IsSurface3D,
   &SetAttrib,
   &GetAttrib,
   &SwapBuffers
 };
 
 }  // namespace
 
 const PPB_Surface3D_Dev* GetPPB_Surface3D_Thunk() {
   return &g_ppb_surface_3d_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi