Componentize component_updater: Replace content::BrowserThread usage with task runners

chrome/browser/component_updater/component_patcher.cc

 // Copyright 2013 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 "chrome/browser/component_updater/component_patcher.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
+#include "base/location.h"
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/component_updater/component_patcher_operation.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
-#include "content/public/browser/browser_thread.h"
 
 namespace component_updater {
 
 namespace {
 
 // Deserialize the commands file (present in delta update packages). The top
 // level must be a list.
 base::ListValue* ReadCommands(const base::FilePath& unpack_path) {
   const base::FilePath commands =
       unpack_path.Append(FILE_PATH_LITERAL("commands.json"));
@@ skipping 81 matching lines @@
 
 void ComponentPatcher::DonePatching(ComponentUnpacker::Error error,
                                     int extended_error) {
   current_operation_ = NULL;
   task_runner_->PostTask(FROM_HERE,
                          base::Bind(callback_, error, extended_error));
   callback_.Reset();
 }
 
 }  // namespace component_updater