chromeos: converts WindowResizer 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 4eb7c3aaa7101fa83533b658ef4cc6a6affd13b1..eaeb3e57b2afbdc539fcbdb351d3261671f8e5d6 100644
--- a/ash/wm/overview/window_selector_unittest.cc
+++ b/ash/wm/overview/window_selector_unittest.cc
@@ -1852,7 +1852,7 @@ TEST_F(WindowSelectorTest, OverviewWhileDragging) {
   const gfx::Rect bounds(10, 10, 100, 100);
   std::unique_ptr<aura::Window> window(CreateWindow(bounds));
   std::unique_ptr<WindowResizer> resizer(
-      CreateWindowResizer(WmWindow::Get(window.get()), gfx::Point(), HTCAPTION,
+      CreateWindowResizer(window.get(), gfx::Point(), HTCAPTION,
                           aura::client::WINDOW_MOVE_SOURCE_MOUSE));
   ASSERT_TRUE(resizer.get());
   gfx::Point location = resizer->GetInitialLocation();