chromeos: removes underlay surface offset

ash/mus/non_client_frame_controller.cc

Index: ash/mus/non_client_frame_controller.cc
diff --git a/ash/mus/non_client_frame_controller.cc b/ash/mus/non_client_frame_controller.cc
index e57377be2b00ad78c9f0c4a9a88470ad7e9c77b8..64bc0c442da8124a82ec7933194ac6e5e9244148 100644
--- a/ash/mus/non_client_frame_controller.cc
+++ b/ash/mus/non_client_frame_controller.cc
@@ -319,14 +319,11 @@ NonClientFrameController::NonClientFrameController(
 
   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);
 }