Move Sky's DataPipeDrainer to mojo/common

mojo/common/data_pipe_drainer.cc

 // Copyright 2014 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 "sky/engine/config.h"
-#include "sky/engine/platform/fetcher/DataPipeDrainer.h"
-
+#include "mojo/common/data_pipe_drainer.h"
 #include "base/bind.h"
 
-namespace blink {
+namespace mojo {
+namespace common {
 
 DataPipeDrainer::DataPipeDrainer(Client* client,
                                  mojo::ScopedDataPipeConsumerHandle source)
     : client_(client),
       source_(source.Pass()),
       weak_factory_(this) {
   DCHECK(client_);
   ReadData();
 }
 
@@ skipping 21 matching lines @@
 void DataPipeDrainer::WaitForData() {
   handle_watcher_.Start(source_.get(),
       MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE,
       base::Bind(&DataPipeDrainer::WaitComplete, weak_factory_.GetWeakPtr()));
 }
 
 void DataPipeDrainer::WaitComplete(MojoResult result) {
   ReadData();
 }
 
-}  // namespace blink
+}  // namespace common
+}  // namespace mojo