Add basic Chrome interaction with the mash shelf.

ash/mus/sysui_application.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 "ash/mus/sysui_application.h"
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/host/ash_window_tree_host_init_params.h"
 #include "ash/host/ash_window_tree_host_platform.h"
 #include "ash/mus/keyboard_ui_mus.h"
+#include "ash/mus/shelf_delegate_mus.h"
 #include "ash/mus/shell_delegate_mus.h"
 #include "ash/mus/stub_context_factory.h"
 #include "ash/root_window_settings.h"
 #include "ash/shell.h"
 #include "ash/shell_init_params.h"
 #include "ash/shell_window_ids.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/threading/sequenced_worker_pool.h"
@@ skipping 266 matching lines @@
 SysUIApplication::~SysUIApplication() {}
 
 void SysUIApplication::Initialize(mojo::Connector* connector,
                                   const mojo::Identity& identity,
                                   uint32_t id) {
   ash_init_.reset(new AshInit());
   ash_init_->Initialize(connector);
 }
 
 bool SysUIApplication::AcceptConnection(mojo::Connection* connection) {
+  connection->AddInterface<mash::shelf::mojom::ShelfController>(this);
   return true;
 }
 
+void SysUIApplication::Create(
+    mojo::Connection* connection,
+    mojo::InterfaceRequest<mash::shelf::mojom::ShelfController> request) {
+  mash::shelf::mojom::ShelfController* shelf_controller =
+      static_cast<ShelfDelegateMus*>(Shell::GetInstance()->GetShelfDelegate());
+  shelf_controller_bindings_.AddBinding(shelf_controller, std::move(request));
+}
+
 }  // namespace sysui
 }  // namespace ash