PPAPI: Force async callback invocation option.

webkit/plugins/ppapi/ppb_graphics_3d_impl.cc

Index: webkit/plugins/ppapi/ppb_graphics_3d_impl.cc
===================================================================
--- webkit/plugins/ppapi/ppb_graphics_3d_impl.cc	(revision 89886)
+++ webkit/plugins/ppapi/ppb_graphics_3d_impl.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -7,8 +7,11 @@
 #include "base/logging.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
+#include "ppapi/thunk/common.h"
 #include "webkit/plugins/ppapi/common.h"
 
+using ppapi::thunk::MayForceCallback;
+
 namespace webkit {
 namespace ppapi {
 
@@ -68,7 +71,7 @@
 
 int32_t SwapBuffers(PP_Resource context, PP_CompletionCallback callback) {
   // TODO(alokp): Implement me.
-  return 0;
+  return MayForceCallback(callback, PP_OK);
 }
 
 const PPB_Graphics3D_Dev ppb_graphics3d = {
@@ -108,4 +111,3 @@
 
 }  // namespace ppapi
 }  // namespace webkit
-