Refactors DimWindow and moves to ash/common

ash/wm/system_modal_container_layout_manager_unittest.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/wm/system_modal_container_layout_manager.h"
 
 #include <memory>
 
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shell_window_ids.h"
@@ skipping 34 matching lines @@
 }
 
 bool AllRootWindowsHaveModalBackgroundsForContainer(int container_id) {
   std::vector<aura::Window*> containers =
       Shell::GetContainersFromAllRootWindows(container_id, NULL);
   bool has_modal_screen = !containers.empty();
   for (std::vector<aura::Window*>::iterator iter = containers.begin();
        iter != containers.end(); ++iter) {
     has_modal_screen &= static_cast<SystemModalContainerLayoutManager*>(
                             (*iter)->layout_manager())
-                            ->has_modal_background();
+                            ->has_window_dimmer();
   }
   return has_modal_screen;
 }
 
 bool AllRootWindowsHaveLockedModalBackgrounds() {
   return AllRootWindowsHaveModalBackgroundsForContainer(
       kShellWindowId_LockSystemModalContainer);
 }
 
 bool AllRootWindowsHaveModalBackgrounds() {
@@ skipping 702 matching lines @@
   std::unique_ptr<aura::Window> window(OpenToplevelTestWindow(false));
   std::unique_ptr<aura::Window> modal_window(
       views::Widget::CreateWindowWithContext(new TestWindow(true),
                                              CurrentContext())
           ->GetNativeWindow());
   SystemModalContainerLayoutManager* layout_manager =
       Shell::GetPrimaryRootWindowController()->GetSystemModalLayoutManager(
           modal_window.get());
 
   EXPECT_FALSE(WmShell::Get()->IsSystemModalWindowOpen());
-  EXPECT_FALSE(layout_manager->has_modal_background());
+  EXPECT_FALSE(layout_manager->has_window_dimmer());
 
   modal_window->Show();
   EXPECT_TRUE(WmShell::Get()->IsSystemModalWindowOpen());
-  EXPECT_TRUE(layout_manager->has_modal_background());
+  EXPECT_TRUE(layout_manager->has_window_dimmer());
 
   modal_window->Hide();
   EXPECT_FALSE(WmShell::Get()->IsSystemModalWindowOpen());
-  EXPECT_FALSE(layout_manager->has_modal_background());
+  EXPECT_FALSE(layout_manager->has_window_dimmer());
 
   modal_window->Show();
   EXPECT_TRUE(WmShell::Get()->IsSystemModalWindowOpen());
-  EXPECT_TRUE(layout_manager->has_modal_background());
+  EXPECT_TRUE(layout_manager->has_window_dimmer());
 }
 
 namespace {
 
 class InputTestDelegate : public aura::test::TestWindowDelegate {
  public:
   InputTestDelegate() {}
   ~InputTestDelegate() override {}
 
   void RunTest(test::AshTestBase* test_base) {
@@ skipping 83 matching lines @@
   if (!SupportsMultipleDisplays())
     return;
 
   UpdateDisplay("500x500, 500x500");
   InputTestDelegate delegate;
   delegate.RunTest(this);
 }
 
 }  // namespace test
 }  // namespace ash