PPAPI: Make blocking completion callbacks work.

ppapi/thunk/ppb_websocket_thunk.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/c/pp_errors.h"
 #include "ppapi/c/pp_var.h"
+#include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_websocket_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
@@ skipping 13 matching lines @@
 
 int32_t Connect(PP_Resource resource,
                 PP_Var url,
                 const PP_Var protocols[],
                 uint32_t protocol_count,
                 PP_CompletionCallback callback) {
   EnterWebSocket enter(resource, callback, false);
   if (enter.failed())
     return enter.retval();
   return enter.SetResult(enter.object()->Connect(
-      url, protocols, protocol_count, callback));
+      url, protocols, protocol_count, enter.callback()));
 }
 
 int32_t Close(PP_Resource resource,
               uint16_t code,
               PP_Var reason,
               PP_CompletionCallback callback) {
   EnterWebSocket enter(resource, callback, false);
   if (enter.failed())
     return enter.retval();
-  return enter.SetResult(enter.object()->Close(code, reason, callback));
+  return enter.SetResult(enter.object()->Close(code, reason, enter.callback()));
 }
 
 int32_t ReceiveMessage(PP_Resource resource,
                        PP_Var* message,
                        PP_CompletionCallback callback) {
   EnterWebSocket enter(resource, callback, false);
   if (enter.failed())
     return enter.retval();
-  return enter.SetResult(enter.object()->ReceiveMessage(message, callback));
+  return enter.SetResult(enter.object()->ReceiveMessage(message,
+                                                        enter.callback()));
 }
 
 int32_t SendMessage(PP_Resource resource, PP_Var message) {
   EnterWebSocket enter(resource, false);
   if (enter.failed())
     return enter.retval();
   return enter.object()->SendMessage(message);
 }
 
 uint64_t GetBufferedAmount(PP_Resource resource) {
@@ skipping 70 matching lines @@
 };
 
 }  // namespace
 
 const PPB_WebSocket_1_0* GetPPB_WebSocket_1_0_Thunk() {
   return &g_ppb_websocket_1_0_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi