PPAPI: Make blocking completion callbacks work.

ppapi/thunk/ppb_url_loader_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_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
+#include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/ppb_url_loader_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
@@ skipping 10 matching lines @@
   EnterURLLoader enter(resource, false);
   return PP_FromBool(enter.succeeded());
 }
 
 int32_t Open(PP_Resource loader,
              PP_Resource request_id,
              PP_CompletionCallback callback) {
   EnterURLLoader enter(loader, callback, true);
   if (enter.failed())
     return enter.retval();
-  return enter.SetResult(enter.object()->Open(request_id, callback));
+  return enter.SetResult(enter.object()->Open(request_id, enter.callback()));
 }
 
 int32_t FollowRedirect(PP_Resource loader,
                        PP_CompletionCallback callback) {
   EnterURLLoader enter(loader, callback, true);
   if (enter.failed())
     return enter.retval();
-  return enter.SetResult(enter.object()->FollowRedirect(callback));
+  return enter.SetResult(enter.object()->FollowRedirect(enter.callback()));
 }
 
 PP_Bool GetUploadProgress(PP_Resource loader,
                           int64_t* bytes_sent,
                           int64_t* total_bytes_to_be_sent) {
   EnterURLLoader enter(loader, true);
   if (enter.failed()) {
     *bytes_sent = 0;
     *total_bytes_to_be_sent = 0;
     return PP_FALSE;
@@ skipping 23 matching lines @@
 }
 
 int32_t ReadResponseBody(PP_Resource loader,
                          void* buffer,
                          int32_t bytes_to_read,
                          PP_CompletionCallback callback) {
   EnterURLLoader enter(loader, callback, true);
   if (enter.failed())
     return enter.retval();
   return enter.SetResult(enter.object()->ReadResponseBody(buffer, bytes_to_read,
-                                                         callback));
+                                                          enter.callback()));
 }
 
 int32_t FinishStreamingToFile(PP_Resource loader,
                               PP_CompletionCallback callback) {
   EnterURLLoader enter(loader, callback, true);
   if (enter.failed())
     return enter.retval();
-  return enter.SetResult(enter.object()->FinishStreamingToFile(callback));
+  return enter.SetResult(
+      enter.object()->FinishStreamingToFile(enter.callback()));
 }
 
 void Close(PP_Resource loader) {
   EnterURLLoader enter(loader, true);
   if (enter.succeeded())
     enter.object()->Close();
 }
 
 void GrantUniversalAccess(PP_Resource loader) {
   EnterURLLoader enter(loader, true);
@@ skipping 31 matching lines @@
 const PPB_URLLoader_1_0* GetPPB_URLLoader_1_0_Thunk() {
   return &g_ppb_urlloader_thunk;
 }
 
 const PPB_URLLoaderTrusted_0_3* GetPPB_URLLoaderTrusted_0_3_Thunk() {
   return &g_ppb_urlloader_trusted_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi