Move DIP translation from ui/aura to ui/compositor

ash/wm/shadow_controller.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/shadow_controller.h"
 
 #include <utility>
 
 #include "ash/shell.h"
 #include "ash/wm/shadow.h"
@@ skipping 144 matching lines @@
   if (shadow)
     shadow->layer()->SetVisible(should_show);
   else if (should_show && !shadow)
     CreateShadowForWindow(window);
 }
 
 void ShadowController::CreateShadowForWindow(aura::Window* window) {
   linked_ptr<Shadow> shadow(new Shadow());
   window_shadows_.insert(make_pair(window, shadow));
 
-  shadow->Init(window,
-               ShouldUseSmallShadowForWindow(window) ?
+  shadow->Init(ShouldUseSmallShadowForWindow(window) ?
                Shadow::STYLE_SMALL : Shadow::STYLE_ACTIVE);
   shadow->SetContentBounds(gfx::Rect(window->bounds().size()));
   shadow->layer()->SetVisible(ShouldShowShadowForWindow(window));
   window->layer()->Add(shadow->layer());
 }
 
 }  // namespace internal
 }  // namespace ash