chromeos: removes WmWindow usage from MultiWindowResizeController

ash/wm/workspace/multi_window_resize_controller_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/workspace/multi_window_resize_controller.h"
 
 #include "ash/ash_constants.h"
 #include "ash/frame/custom_frame_view_ash.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
@@ skipping 67 matching lines @@
 
   bool IsShowing() { return resize_controller_->IsShowing(); }
 
   bool HasPendingShow() { return resize_controller_->show_timer_.IsRunning(); }
 
   void Hide() { resize_controller_->Hide(); }
 
   bool HasTarget(aura::Window* window) {
     if (!resize_controller_->windows_.is_valid())
       return false;
-    WmWindow* wm_window = WmWindow::Get(window);
-    if ((resize_controller_->windows_.window1 == wm_window ||
-         resize_controller_->windows_.window2 == wm_window))
+    if (resize_controller_->windows_.window1 == window ||
+        resize_controller_->windows_.window2 == window) {
       return true;
+    }
     return base::ContainsValue(resize_controller_->windows_.other_windows,
-                               wm_window);
+                               window);
   }
 
   bool IsOverWindows(const gfx::Point& loc) {
     return resize_controller_->IsOverWindows(loc);
   }
 
   views::Widget* resize_widget() {
     return resize_controller_->resize_widget_.get();
   }
 
@@ skipping 251 matching lines @@
 
   // Clicking outside the resize handle should immediately hide the resize
   // handle.
   EXPECT_FALSE(resize_widget_bounds_in_screen.Contains(w1_center_in_screen));
   generator.MoveMouseTo(w1_center_in_screen);
   generator.ClickLeftButton();
   EXPECT_FALSE(IsShowing());
 }
 
 }  // namespace ash