chromeos: removes underlay surface offset

ash/mus/non_client_frame_controller.cc

 // Copyright 2015 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/mus/non_client_frame_controller.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
@@ skipping 301 matching lines @@
   }
   // Applying properties will have set the show state if specified.
   // NativeWidgetAura resets the show state from |params|, so we need to update
   // |params|.
   params.show_state = window_->GetProperty(aura::client::kShowStateKey);
   widget_->Init(params);
   did_init_native_widget_ = true;
 
   widget_->ShowInactive();
 
-  const int shadow_inset =
-      Shadow::GetInteriorInsetForStyle(Shadow::STYLE_ACTIVE);
   WmWindow* wm_window = WmWindow::Get(window_);
   const gfx::Insets extended_hit_region =
       wm_window->ShouldUseExtendedHitRegion() ? GetExtendedHitRegion()
                                               : gfx::Insets();
-  window_manager_client_->SetUnderlaySurfaceOffsetAndExtendedHitArea(
-      window_, gfx::Vector2d(shadow_inset, shadow_inset), extended_hit_region);
+  window_manager_client_->SetExtendedHitArea(window_, extended_hit_region);
 
   aura::client::GetTransientWindowClient()->AddObserver(this);
 }
 
 // static
 NonClientFrameController* NonClientFrameController::Get(aura::Window* window) {
   return window->GetProperty(kNonClientFrameControllerKey);
 }
 
 // static
@@ skipping 117 matching lines @@
 void NonClientFrameController::OnWillRestackTransientChildAbove(
     aura::Window* parent,
     aura::Window* transient_child) {}
 
 void NonClientFrameController::OnDidRestackTransientChildAbove(
     aura::Window* parent,
     aura::Window* transient_child) {}
 
 }  // namespace mus
 }  // namespace ash