cros: Adds ShellPort functions for simplified display mode

ash/mus/bridge/shell_port_mash.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/bridge/shell_port_mash.h"
 
 #include <utility>
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_controller_delegate_aura.h"
@@ skipping 36 matching lines @@
 #include "ash/wm/workspace/workspace_event_handler_aura.h"
 #include "ash/wm_window.h"
 #include "base/memory/ptr_util.h"
 #include "components/user_manager/user_info_impl.h"
 #include "ui/aura/env.h"
 #include "ui/aura/mus/window_tree_client.h"
 #include "ui/aura/mus/window_tree_host_mus.h"
 #include "ui/aura/window.h"
 #include "ui/display/manager/managed_display_info.h"
 #include "ui/display/screen.h"
+#include "ui/display/types/native_display_delegate.h"
 #include "ui/views/mus/pointer_watcher_event_router.h"
 
 namespace ash {
 namespace mus {
 
 namespace {
 
 // TODO(jamescook): After ShellDelegate is ported to ash/common use
 // ShellDelegate::CreateSessionStateDelegate() to construct the mus version
 // of SessionStateDelegate.
@@ skipping 349 matching lines @@
 
 void ShellPortMash::CreatePointerWatcherAdapter() {
   // In Config::MUS PointerWatcherAdapter must be created when this function is
   // called (it is order dependent), that is not the case with Config::MASH.
   if (GetAshConfig() == Config::MUS) {
     mus_state_->pointer_watcher_adapter =
         base::MakeUnique<PointerWatcherAdapter>();
   }
 }
 
+AshWindowTreeHost* ShellPortMash::CreateAshWindowTreeHost(
+    const AshWindowTreeHostInitParams& init_params) {
+  return nullptr;
+}
+
 void ShellPortMash::CreatePrimaryHost() {}
 
 void ShellPortMash::InitHosts(const ShellInitParams& init_params) {
   window_manager_->CreatePrimaryRootWindowController(
       base::WrapUnique(init_params.primary_window_tree_host));
 }
 
+std::unique_ptr<display::NativeDisplayDelegate>
+ShellPortMash::CreateNativeDisplayDelegate() {
+  return nullptr;
+}
+
 std::unique_ptr<AcceleratorController>
 ShellPortMash::CreateAcceleratorController() {
   if (GetAshConfig() == Config::MUS) {
     DCHECK(!mus_state_->accelerator_controller_delegate);
     mus_state_->accelerator_controller_delegate =
         base::MakeUnique<AcceleratorControllerDelegateAura>();
     return base::MakeUnique<AcceleratorController>(
         mus_state_->accelerator_controller_delegate.get(), nullptr);
   }
 
@@ skipping 11 matching lines @@
   mash_state_->accelerator_controller_registrar =
       base ::MakeUnique<AcceleratorControllerRegistrar>(
           window_manager_, accelerator_namespace_id);
   return base::MakeUnique<AcceleratorController>(
       mash_state_->accelerator_controller_delegate.get(),
       mash_state_->accelerator_controller_registrar.get());
 }
 
 }  // namespace mus
 }  // namespace ash