[mus+ash] Removes WmWindow from ash/wm/mru_window_tracker and overview mode

ash/wm/panels/panel_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/panels/panel_layout_manager.h"
 
 #include "ash/public/cpp/config.h"
 #include "ash/public/cpp/shelf_types.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/public/cpp/window_properties.h"
@@ skipping 834 matching lines @@
   // w3 is created while in full-screen mode, should only become visible when
   // we exit fullscreen mode.
   w3.reset(CreatePanelWindow(bounds));
 
   EXPECT_FALSE(w1->IsVisible());
   EXPECT_FALSE(w2->IsVisible());
   EXPECT_FALSE(w3->IsVisible());
 
   // While in full-screen mode, the panel windows should still be in the
   // switchable window list - http://crbug.com/313919.
-  aura::Window::Windows switchable_window_list = WmWindow::ToAuraWindows(
-      Shell::Get()->mru_window_tracker()->BuildMruWindowList());
+  aura::Window::Windows switchable_window_list =
+      Shell::Get()->mru_window_tracker()->BuildMruWindowList();
   EXPECT_EQ(3u, switchable_window_list.size());
   EXPECT_NE(switchable_window_list.end(),
             std::find(switchable_window_list.begin(),
                       switchable_window_list.end(), w1.get()));
   EXPECT_NE(switchable_window_list.end(),
             std::find(switchable_window_list.begin(),
                       switchable_window_list.end(), w2.get()));
   EXPECT_NE(switchable_window_list.end(),
             std::find(switchable_window_list.begin(),
                       switchable_window_list.end(), w3.get()));
@@ skipping 62 matching lines @@
   touch.set_location(gfx::Point(bounds.x() - 1, bounds.y() + 5));
   target = targeter->FindTargetForEvent(root, &touch);
   EXPECT_NE(w.get(), target);
 }
 
 INSTANTIATE_TEST_CASE_P(LtrRtl,
                         PanelLayoutManagerTextDirectionTest,
                         testing::Bool());
 
 }  // namespace ash