PPAPI: Force async callback invocation option.

ppapi/thunk/ppb_graphics_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_completion_callback.h"
 #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_graphics_3d_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 typedef EnterResource<PPB_Graphics3D_API> EnterGraphics3D;
 
@@ skipping 40 matching lines @@
 int32_t SetAttribs(PP_Resource graphics_3d, int32_t* attrib_list) {
   EnterGraphics3D enter(graphics_3d, true);
   if (enter.failed())
     return PP_ERROR_BADRESOURCE;
   return enter.object()->SetAttribs(attrib_list);
 }
 
 int32_t SwapBuffers(PP_Resource graphics_3d, PP_CompletionCallback callback) {
   EnterGraphics3D enter(graphics_3d, 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_Graphics3D_Dev g_ppb_graphics_3d_thunk = {
   &GetConfigs,
   &GetConfigAttribs,
   &GetString,
   &Create,
   &IsGraphics3D,
   &GetAttribs,
   &SetAttribs,
   &SwapBuffers
 };
 
 }  // namespace
 
 const PPB_Graphics3D_Dev* GetPPB_Graphics3D_Thunk() {
   return &g_ppb_graphics_3d_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi