Fix shelf alignment and auto-hide initialization.

ash/mus/window_manager.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 "ash/mus/window_manager.h"
 
 #include <stdint.h>
 
 #include <utility>
 
 #include "ash/common/session/session_controller.h"
-#include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/wm/container_finder.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_window.h"
 #include "ash/mus/accelerators/accelerator_handler.h"
 #include "ash/mus/accelerators/accelerator_ids.h"
 #include "ash/mus/bridge/wm_lookup_mus.h"
 #include "ash/mus/bridge/wm_shell_mus.h"
 #include "ash/mus/move_event_handler.h"
 #include "ash/mus/non_client_frame_controller.h"
 #include "ash/mus/property_util.h"
@@ skipping 160 matching lines @@
   CreateAndRegisterRootWindowController(
       std::move(window_tree_host), screen_->GetAllDisplays()[0],
       RootWindowController::RootWindowType::PRIMARY);
 }
 
 void WindowManager::CreateShell(
     std::unique_ptr<aura::WindowTreeHostMus> window_tree_host) {
   DCHECK(!created_shell_);
   created_shell_ = true;
   ShellInitParams init_params;
-  WmShellMus* wm_shell =
-      new WmShellMus(WmWindow::Get(window_tree_host->window()),
-                     base::MakeUnique<ShellDelegateMus>(
-                         connector_, std::move(system_tray_delegate_for_test_)),
-                     this, pointer_watcher_event_router_.get());
+  WmShellMus* wm_shell = new WmShellMus(
+      WmWindow::Get(window_tree_host->window()),
+      shell_delegate_for_test_ ? std::move(shell_delegate_for_test_)
+                               : base::MakeUnique<ShellDelegateMus>(connector_),
+      this, pointer_watcher_event_router_.get());
   init_params.primary_window_tree_host = window_tree_host.release();
   init_params.wm_shell = wm_shell;
   init_params.blocking_pool = blocking_pool_.get();
   Shell::CreateInstance(init_params);
 }
 
 void WindowManager::CreateAndRegisterRootWindowController(
     std::unique_ptr<aura::WindowTreeHostMus> window_tree_host,
     const display::Display& display,
     RootWindowController::RootWindowType root_window_type) {
@@ skipping 256 matching lines @@
 bool WindowManager::IsWindowActive(aura::Window* window) {
   return Shell::GetInstance()->activation_client()->GetActiveWindow() == window;
 }
 
 void WindowManager::OnWmDeactivateWindow(aura::Window* window) {
   Shell::GetInstance()->activation_client()->DeactivateWindow(window);
 }
 
 }  // namespace mus
 }  // namespace ash