Add support for threadsafe completion callback factory.

ppapi/utility/websocket/websocket_api.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.
 
 #include "ppapi/utility/websocket/websocket_api.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 #include "ppapi/cpp/var.h"
 #include "ppapi/cpp/websocket.h"
 #include "ppapi/utility/completion_callback_factory.h"
 
+#ifdef SendMessage
+#undef SendMessage
+#endif
+
 namespace pp {
 
 class WebSocketAPI::Implement : public WebSocket {
  public:
   Implement(Instance* instance, WebSocketAPI* api)
       : WebSocket(instance),
         api_(api),
         callback_factory_(PP_ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
   }
 
@@ skipping 108 matching lines @@
 
 PP_WebSocketReadyState WebSocketAPI::GetReadyState() {
   return impl_->GetReadyState();
 }
 
 Var WebSocketAPI::GetURL() {
   return impl_->GetURL();
 }
 
 }  // namespace pp