Remove task.h and finish base::Bind() migration.

content/browser/renderer_host/async_resource_handler.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 "content/browser/renderer_host/async_resource_handler.h"
 
 #include <algorithm>
 #include <vector>
 
+#include "base/debug/alias.h"
 #include "base/hash_tables.h"
 #include "base/logging.h"
 #include "base/shared_memory.h"
 #include "content/browser/debugger/devtools_netlog_observer.h"
 #include "content/browser/host_zoom_map.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 #include "content/browser/renderer_host/resource_dispatcher_host_request_info.h"
 #include "content/browser/renderer_host/resource_message_filter.h"
 #include "content/browser/resource_context.h"
 #include "content/common/resource_messages.h"
@@ skipping 257 matching lines @@
 
 // static
 void AsyncResourceHandler::GlobalCleanup() {
   if (g_spare_read_buffer) {
     // Avoid the CHECK in SharedIOBuffer::~SharedIOBuffer().
     SharedIOBuffer* tmp = g_spare_read_buffer;
     g_spare_read_buffer = NULL;
     tmp->Release();
   }
 }