chromeos: converts PanelLayoutManager to aura::Window

ash/wm/overview/window_selector_unittest.cc

Index: ash/wm/overview/window_selector_unittest.cc
diff --git a/ash/wm/overview/window_selector_unittest.cc b/ash/wm/overview/window_selector_unittest.cc
index f82e5904cc5d5d051f9c20d57d01066d20da895a..ff576ecf6deb3a52398e532fbf150efd2e488b88 100644
--- a/ash/wm/overview/window_selector_unittest.cc
+++ b/ash/wm/overview/window_selector_unittest.cc
@@ -1537,25 +1537,29 @@ TEST_F(WindowSelectorTest, SelectWindowWithReturnKey) {
 TEST_F(WindowSelectorTest, WindowOverviewHidesCalloutWidgets) {
   std::unique_ptr<aura::Window> panel1(
       CreatePanelWindow(gfx::Rect(0, 0, 100, 100)));
-  WmWindow* wm_panel1 = WmWindow::Get(panel1.get());
   std::unique_ptr<aura::Window> panel2(
       CreatePanelWindow(gfx::Rect(0, 0, 100, 100)));
-  WmWindow* wm_panel2 = WmWindow::Get(panel2.get());
-  PanelLayoutManager* panel_manager = PanelLayoutManager::Get(wm_panel1);
+  PanelLayoutManager* panel_manager = PanelLayoutManager::Get(panel1.get());
 
   // By default, panel callout widgets are visible.
-  EXPECT_TRUE(panel_manager->GetCalloutWidgetForPanel(wm_panel1)->IsVisible());
-  EXPECT_TRUE(panel_manager->GetCalloutWidgetForPanel(wm_panel2)->IsVisible());
+  EXPECT_TRUE(
+      panel_manager->GetCalloutWidgetForPanel(panel1.get())->IsVisible());
+  EXPECT_TRUE(
+      panel_manager->GetCalloutWidgetForPanel(panel2.get())->IsVisible());
 
   // Toggling the overview should hide the callout widgets.
   ToggleOverview();
-  EXPECT_FALSE(panel_manager->GetCalloutWidgetForPanel(wm_panel1)->IsVisible());
-  EXPECT_FALSE(panel_manager->GetCalloutWidgetForPanel(wm_panel2)->IsVisible());
+  EXPECT_FALSE(
+      panel_manager->GetCalloutWidgetForPanel(panel1.get())->IsVisible());
+  EXPECT_FALSE(
+      panel_manager->GetCalloutWidgetForPanel(panel2.get())->IsVisible());
 
   // Ending the overview should show them again.
   ToggleOverview();
-  EXPECT_TRUE(panel_manager->GetCalloutWidgetForPanel(wm_panel1)->IsVisible());
-  EXPECT_TRUE(panel_manager->GetCalloutWidgetForPanel(wm_panel2)->IsVisible());
+  EXPECT_TRUE(
+      panel_manager->GetCalloutWidgetForPanel(panel1.get())->IsVisible());
+  EXPECT_TRUE(
+      panel_manager->GetCalloutWidgetForPanel(panel2.get())->IsVisible());
 }
 
 // Creates three windows and tests filtering them by title.