Getting rid of SurfaceIdHandler as it is no longer needed.

services/ui/public/cpp/window_tree_client.cc

 // Copyright 2014 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 "services/ui/public/cpp/window_tree_client.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "services/ui/common/util.h"
 #include "services/ui/public/cpp/in_flight_change.h"
 #include "services/ui/public/cpp/input_event_handler.h"
-#include "services/ui/public/cpp/surface_id_handler.h"
 #include "services/ui/public/cpp/window_drop_target.h"
 #include "services/ui/public/cpp/window_manager_delegate.h"
 #include "services/ui/public/cpp/window_observer.h"
 #include "services/ui/public/cpp/window_private.h"
 #include "services/ui/public/cpp/window_tracker.h"
 #include "services/ui/public/cpp/window_tree_client_delegate.h"
 #include "services/ui/public/cpp/window_tree_client_observer.h"
 #include "services/ui/public/interfaces/constants.mojom.h"
 #include "services/ui/public/interfaces/window_manager_window_tree_factory.mojom.h"
 #include "ui/display/screen.h"
@@ skipping 1440 matching lines @@
     // TODO(riajiang): Figure out if |offset| needs to be converted.
     // (http://crbugs.com/646932)
     window_manager_internal_client_->SetUnderlaySurfaceOffsetAndExtendedHitArea(
         server_id(window), offset.x(), offset.y(),
         gfx::ConvertInsetsToDIP(ScaleFactorForDisplay(window->display_id()),
                                 hit_area));
   }
 }
 
 }  // namespace ui