Componentize html_viewer's MessagePort

components/message_port/web_message_port_channel_impl.cc

 // Copyright 2015 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 "components/html_viewer/web_message_port_channel_impl.h"
+#include "components/message_port/web_message_port_channel_impl.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/strings/string16.h"
 #include "third_party/WebKit/public/platform/WebMessagePortChannelClient.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/mojo/src/mojo/public/cpp/system/message_pipe.h"
 
 using blink::WebMessagePortChannel;
 using blink::WebMessagePortChannelArray;
 using blink::WebMessagePortChannelClient;
 using blink::WebString;
 
-namespace html_viewer {
+namespace message_port {
 
 void WebMessagePortChannelImpl::CreatePair(
     blink::WebMessagePortChannel** channel1,
     blink::WebMessagePortChannel** channel2) {
   mojo::ScopedMessagePipeHandle pipe1;
   mojo::ScopedMessagePipeHandle pipe2;
   MojoResult result = mojo::CreateMessagePipe(nullptr, &pipe1, &pipe2);
   if (result != MOJO_RESULT_OK) {
     NOTREACHED();
     return;
@@ skipping 92 matching lines @@
       base::Bind(&WebMessagePortChannelImpl::OnMessageAvailable,
                  base::Unretained(this)));
 }
 
 void WebMessagePortChannelImpl::OnMessageAvailable(MojoResult result) {
   DCHECK_EQ(MOJO_RESULT_OK, result);
   client_->messageAvailable();
   WaitForNextMessage();
 }
 
-}  // namespace html_viewer
+}  // namespace message_port