Drop unnecessary override of OnWindowBoundsChanged in NativeWidgetMus::MusWindowObserver

ui/views/mus/native_widget_mus.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 "ui/views/mus/native_widget_mus.h"
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 347 matching lines @@
 
   mus::mojom::ShowState show_state() { return show_state_; }
 
   // mus::WindowObserver:
   void OnWindowVisibilityChanging(mus::Window* window) override {
     native_widget_mus_->OnMusWindowVisibilityChanging(window);
   }
   void OnWindowVisibilityChanged(mus::Window* window) override {
     native_widget_mus_->OnMusWindowVisibilityChanged(window);
   }
-  void OnWindowBoundsChanged(mus::Window* window,
-                             const gfx::Rect& old_bounds,
-                             const gfx::Rect& new_bounds) override {
-    platform_window_delegate()->OnBoundsChanged(new_bounds);
-  }
   void OnWindowPredefinedCursorChanged(mus::Window* window,
                                        mus::mojom::Cursor cursor) override {
     DCHECK_EQ(window, mus_window());
     native_widget_mus_->set_last_cursor(cursor);
   }
   void OnWindowSharedPropertyChanged(
       mus::Window* window,
       const std::string& name,
       const std::vector<uint8_t>* old_data,
       const std::vector<uint8_t>* new_data) override {
@@ skipping 991 matching lines @@
 
   gfx::Path mask_path;
   native_widget_delegate_->GetHitTestMask(&mask_path);
   // TODO(jamescook): Use the full path for the mask.
   gfx::Rect mask_rect =
       gfx::ToEnclosingRect(gfx::SkRectToRectF(mask_path.getBounds()));
   window_->SetHitTestMask(mask_rect);
 }
 
 }  // namespace views