Change webkit/{fileapi,quota} code to use TaskRunner.

webkit/blob/local_file_reader.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 "webkit/blob/local_file_reader.h"
 
 #include "base/file_util.h"
 #include "base/file_util_proxy.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop_proxy.h"
 #include "base/platform_file.h"
+#include "base/task_runner.h"
 #include "net/base/file_stream.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 
 namespace webkit_blob {
 
 namespace {
 
 const int kOpenFlagsForRead = base::PLATFORM_FILE_OPEN |
                               base::PLATFORM_FILE_READ |
@@ skipping 18 matching lines @@
     case base::PLATFORM_FILE_ERROR_NOT_FOUND:
       return net::ERR_FILE_NOT_FOUND;
     case base::PLATFORM_FILE_ERROR_ACCESS_DENIED:
       return net::ERR_ACCESS_DENIED;
     default:
       return net::ERR_FAILED;
   }
 }
 
 LocalFileReader::LocalFileReader(
-    base::MessageLoopProxy* file_thread_proxy,
+    base::TaskRunner* task_runner,
     const FilePath& file_path,
     int64 initial_offset,
     const base::Time& expected_modification_time)
-    : file_thread_proxy_(file_thread_proxy),
+    : task_runner_(task_runner),
       file_path_(file_path),
       initial_offset_(initial_offset),
       expected_modification_time_(expected_modification_time),
       has_pending_open_(false),
       weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {}
 
 LocalFileReader::~LocalFileReader() {
 }
 
 int LocalFileReader::Read(net::IOBuffer* buf, int buf_len,
                           const net::CompletionCallback& callback) {
   DCHECK(!has_pending_open_);
   if (stream_impl_.get())
     return stream_impl_->Read(buf, buf_len, callback);
   return Open(base::Bind(&LocalFileReader::DidOpenForRead,
                          weak_factory_.GetWeakPtr(),
                          make_scoped_refptr(buf), buf_len, callback));
 }
 
 int LocalFileReader::GetLength(const net::Int64CompletionCallback& callback) {
   const bool posted = base::FileUtilProxy::GetFileInfo(
-      file_thread_proxy_, file_path_,
+      task_runner_, file_path_,
       base::Bind(&LocalFileReader::DidGetFileInfoForGetLength,
                  weak_factory_.GetWeakPtr(), callback));
   DCHECK(posted);
   return net::ERR_IO_PENDING;
 }
 
 int LocalFileReader::Open(const net::CompletionCallback& callback) {
   DCHECK(!has_pending_open_);
   DCHECK(!stream_impl_.get());
   has_pending_open_ = true;
@@ skipping 82 matching lines @@
     return;
   }
   if (!VerifySnapshotTime(expected_modification_time_, file_info)) {
     callback.Run(net::ERR_UPLOAD_FILE_CHANGED);
     return;
   }
   callback.Run(file_info.size);
 }
 
 }  // namespace webkit_blob