Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/appcache/appcache_response.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/appcache/appcache_response.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
-#include "base/location.h"
 #include "base/logging.h"
+#include "base/message_loop/message_loop.h"
 #include "base/numerics/safe_math.h"
 #include "base/pickle.h"
 #include "base/profiler/scoped_tracker.h"
-#include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
-#include "base/thread_task_runner_handle.h"
 #include "content/browser/appcache/appcache_storage.h"
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 
 namespace content {
 
 namespace {
 
 // Disk cache entry data indices.
@@ skipping 57 matching lines @@
       buffer_len_(0),
       weak_factory_(this) {
 }
 
 AppCacheResponseIO::~AppCacheResponseIO() {
   if (entry_)
     entry_->Close();
 }
 
 void AppCacheResponseIO::ScheduleIOCompletionCallback(int result) {
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
+  base::MessageLoop::current()->PostTask(
       FROM_HERE, base::Bind(&AppCacheResponseIO::OnIOComplete,
                             weak_factory_.GetWeakPtr(), result));
 }
 
 void AppCacheResponseIO::InvokeUserCompletionCallback(int result) {
   // Clear the user callback and buffers prior to invoking the callback
   // so the caller can schedule additional operations in the callback.
   buffer_ = NULL;
   info_buffer_ = NULL;
   net::CompletionCallback cb = callback_;
@@ skipping 371 matching lines @@
   }
   WriteRaw(kResponseMetadataIndex, 0, buffer_.get(), write_amount_);
 }
 
 void AppCacheResponseMetadataWriter::OnIOComplete(int result) {
   DCHECK(result < 0 || write_amount_ == result);
   InvokeUserCompletionCallback(result);
 }
 
 }  // namespace content