[mus+ash] Removes WmWindow from window_positioning_utils

ash/wm/window_util_unittest.cc

 // Copyright (c) 2013 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/window_util.h"
 
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_positioning_utils.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm_window.h"
@@ skipping 16 matching lines @@
 typedef test::AshTestBase WindowUtilTest;
 
 TEST_F(WindowUtilTest, CenterWindow) {
   UpdateDisplay("500x400, 600x400");
   std::unique_ptr<aura::Window> window(
       CreateTestWindowInShellWithBounds(gfx::Rect(12, 20, 100, 100)));
 
   WindowState* window_state = GetWindowState(window.get());
   EXPECT_FALSE(window_state->bounds_changed_by_user());
 
-  CenterWindow(WmWindow::Get(window.get()));
+  CenterWindow(window.get());
   // Centring window is considered as a user's action.
   EXPECT_TRUE(window_state->bounds_changed_by_user());
   EXPECT_EQ("200,126 100x100", window->bounds().ToString());
   EXPECT_EQ("200,126 100x100", window->GetBoundsInScreen().ToString());
   window->SetBoundsInScreen(gfx::Rect(600, 0, 100, 100), GetSecondaryDisplay());
-  CenterWindow(WmWindow::Get(window.get()));
+  CenterWindow(window.get());
   EXPECT_EQ("250,126 100x100", window->bounds().ToString());
   EXPECT_EQ("750,126 100x100", window->GetBoundsInScreen().ToString());
 }
 
 TEST_F(WindowUtilTest, AdjustBoundsToEnsureMinimumVisibility) {
   const gfx::Rect visible_bounds(0, 0, 100, 100);
 
   EXPECT_EQ("0,0 90x90",
             GetAdjustedBounds(visible_bounds, gfx::Rect(0, 0, 90, 90)));
   EXPECT_EQ("0,0 100x100",
@@ skipping 83 matching lines @@
 
   EXPECT_TRUE(MoveWindowToDisplay(window.get(), original_display_id));
   EXPECT_EQ(original_display_id,
             screen->GetDisplayNearestWindow(window.get()).id());
   EXPECT_EQ(original_container_id, window->parent()->id());
   EXPECT_EQ(original_root, window->GetRootWindow());
 }
 
 }  // namespace wm
 }  // namespace ash