Move shell service to toplevel shell namespace

components/mus/demo/mus_demo.cc

 // Copyright 2016 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/mus/demo/mus_demo.h"
 
 #include "base/time/time.h"
 #include "components/bitmap_uploader/bitmap_uploader.h"
 #include "components/mus/public/cpp/window_tree_host_factory.h"
 #include "third_party/skia/include/core/SkCanvas.h"
@@ skipping 40 matching lines @@
 
   canvas->drawRect(rect, paint);
 }
 
 }  // namespace
 
 MusDemo::MusDemo() {}
 
 MusDemo::~MusDemo() {}
 
-void MusDemo::Initialize(mojo::Connector* connector,
-                         const mojo::Identity& identity,
+void MusDemo::Initialize(shell::Connector* connector,
+                         const shell::Identity& identity,
                          uint32_t id) {
   connector_ = connector;
 
   CreateWindowTreeHost(connector_, this, &window_tree_host_, this);
   window_tree_host_->SetTitle("MUS Demo");
 }
 
-bool MusDemo::AcceptConnection(mojo::Connection* connection) {
+bool MusDemo::AcceptConnection(shell::Connection* connection) {
   return true;
 }
 
 void MusDemo::OnEmbed(mus::Window* window) {
   window_ = window;
 
   // Initialize bitmap uploader for sending frames to MUS.
   uploader_.reset(new bitmap_uploader::BitmapUploader(window_));
   uploader_->Init(connector_);
 
@@ skipping 69 matching lines @@
   scoped_ptr<std::vector<unsigned char>> data(
       new std::vector<unsigned char>(addr, addr + bytes));
   bitmap_.unlockPixels();
 
   // Send frame to MUS via BitmapUploader.
   uploader_->SetBitmap(bounds.width(), bounds.height(), std::move(data),
                        bitmap_uploader::BitmapUploader::BGRA);
 }
 
 }  // namespace mus_demo