PPAPI: Get TrackedCallback ready for running on non-main threads.

ppapi/shared_impl/private/udp_socket_private_impl.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/shared_impl/private/udp_socket_private_impl.h"
 
 #include <string.h>
 
 #include <algorithm>
 
@@ skipping 144 matching lines @@
   if (!TrackedCallback::IsPending(bind_callback_)) {
     NOTREACHED();
     return;
   }
 
   if (succeeded)
     bound_ = true;
 
   bound_addr_ = addr;
 
-  TrackedCallback::ClearAndRun(&bind_callback_,
-      succeeded ? PP_OK : PP_ERROR_FAILED);
+  bind_callback_->Run(succeeded ? PP_OK : PP_ERROR_FAILED);
 }
 
 void UDPSocketPrivateImpl::OnRecvFromCompleted(
     bool succeeded,
     const std::string& data,
     const PP_NetAddress_Private& addr) {
   if (!TrackedCallback::IsPending(recvfrom_callback_) || !read_buffer_) {
     NOTREACHED();
     return;
   }
 
   if (succeeded) {
     CHECK_LE(static_cast<int32_t>(data.size()), bytes_to_read_);
     if (!data.empty())
       memcpy(read_buffer_, data.c_str(), data.size());
   }
   read_buffer_ = NULL;
   bytes_to_read_ = -1;
   recvfrom_addr_ = addr;
 
-  TrackedCallback::ClearAndRun(&recvfrom_callback_,
-      succeeded ? static_cast<int32_t>(data.size()) :
+  recvfrom_callback_->Run(succeeded ? static_cast<int32_t>(data.size()) :
       static_cast<int32_t>(PP_ERROR_FAILED));
 }
 
 void UDPSocketPrivateImpl::OnSendToCompleted(bool succeeded,
                                              int32_t bytes_written) {
   if (!TrackedCallback::IsPending(sendto_callback_)) {
     NOTREACHED();
     return;
   }
 
-  TrackedCallback::ClearAndRun(&sendto_callback_,
+  sendto_callback_->Run(
       succeeded ? bytes_written : static_cast<int32_t>(PP_ERROR_FAILED));
 }
 
 void UDPSocketPrivateImpl::Init(uint32 socket_id) {
   DCHECK(socket_id != 0);
   socket_id_ = socket_id;
   bound_ = false;
   closed_ = false;
   read_buffer_ = NULL;
   bytes_to_read_ = -1;
 
   recvfrom_addr_.size = 0;
   memset(recvfrom_addr_.data, 0,
          arraysize(recvfrom_addr_.data) * sizeof(*recvfrom_addr_.data));
   bound_addr_.size = 0;
   memset(bound_addr_.data, 0,
          arraysize(bound_addr_.data) * sizeof(*bound_addr_.data));
 }
 
 void UDPSocketPrivateImpl::PostAbortIfNecessary(
     scoped_refptr<TrackedCallback>* callback) {
-  if (callback->get())
+  if (TrackedCallback::IsPending(*callback))
     (*callback)->PostAbort();
 }
 
 }  // namespace ppapi