PPAPI: Force async callback invocation option.

webkit/plugins/ppapi/ppb_surface_3d_impl.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 "webkit/plugins/ppapi/ppb_surface_3d_impl.h"
 
 #include "base/message_loop.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "ppapi/c/dev/ppb_graphics_3d_dev.h"
@@ skipping 38 matching lines @@
                   int32_t attribute,
                   int32_t* value) {
   // TODO(alokp): Implement me.
   return 0;
 }
 
 int32_t SwapBuffers(PP_Resource surface_id,
                     PP_CompletionCallback callback) {
   scoped_refptr<PPB_Surface3D_Impl> surface(
       Resource::GetAs<PPB_Surface3D_Impl>(surface_id));
-  return surface->SwapBuffers(callback);
+  return MayForceCallback(callback, surface->SwapBuffers(callback));
 }
 
 const PPB_Surface3D_Dev ppb_surface3d = {
   &Create,
   &IsSurface3D,
   &SetAttrib,
   &GetAttrib,
   &SwapBuffers
 };
 
@@ skipping 126 matching lines @@
   const PPP_Graphics3D_Dev* ppp_graphics_3d =
       static_cast<const PPP_Graphics3D_Dev*>(
           instance()->module()->GetPluginInterface(
               PPP_GRAPHICS_3D_DEV_INTERFACE));
   if (ppp_graphics_3d)
     ppp_graphics_3d->Graphics3DContextLost(instance()->pp_instance());
 }
 
 }  // namespace ppapi
 }  // namespace webkit