chromeos: converts DragImageViewTest to AshTestBase

ash/test/ash_test_base.cc

 // Copyright (c) 2012 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/test/ash_test_base.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/display/extended_mouse_warp_controller.h"
@@ skipping 214 matching lines @@
   ShellPort::Get()
       ->GetPrimaryRootWindow()
       ->GetRootWindowController()
       ->ConfigureWidgetInitParamsForContainer(widget.get(), container_id,
                                               &params);
   widget->Init(params);
   widget->Show();
   return widget;
 }
 
+std::unique_ptr<aura::Window> AshTestBase::CreateTestWindow(
+    const gfx::Rect& bounds_in_screen,
+    ui::wm::WindowType type,
+    int shell_window_id) {
+  return base::WrapUnique<aura::Window>(
+      CreateTestWindowInShellWithDelegateAndType(nullptr, type, shell_window_id,
+                                                 bounds_in_screen));
+}
+
 aura::Window* AshTestBase::CreateTestWindowInShellWithId(int id) {
   return CreateTestWindowInShellWithDelegate(NULL, id, gfx::Rect());
 }
 
 aura::Window* AshTestBase::CreateTestWindowInShellWithBounds(
     const gfx::Rect& bounds) {
   return CreateTestWindowInShellWithDelegate(NULL, 0, bounds);
 }
 
 aura::Window* AshTestBase::CreateTestWindowInShell(SkColor color,
@@ skipping 151 matching lines @@
   Shell::Get()->window_tree_host_manager()->SetPrimaryDisplayId(
       display_manager()->GetSecondaryDisplay().id());
 }
 
 display::Display AshTestBase::GetSecondaryDisplay() {
   return ash_test_helper_->GetSecondaryDisplay();
 }
 
 }  // namespace test
 }  // namespace ash