exo: Revert workaround for multi-display ARC

components/exo/shell_surface.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 "components/exo/shell_surface.h"
 
 #include <algorithm>
 
 #include "ash/frame/custom_frame_view_ash.h"
 #include "ash/public/cpp/shelf_types.h"
@@ skipping 1463 matching lines @@
       break;
   }
 
   // Set |ignore_window_bounds_changes_| as this change to window bounds
   // should not result in a configure request.
   DCHECK(!ignore_window_bounds_changes_);
   ignore_window_bounds_changes_ = true;
   const gfx::Rect widget_bounds = widget_->GetWindowBoundsInScreen();
   if (widget_bounds != new_widget_bounds) {
     if (bounds_mode_ != BoundsMode::CLIENT || !resizer_) {
-      // TODO(domlaskowski): Use screen coordinates once multi-display support
-      // lands in ARC. See crbug.com/718627.
-      widget_->GetNativeWindow()->SetBounds(new_widget_bounds);
+      widget_->SetBounds(new_widget_bounds);
       UpdateSurfaceBounds();
     } else {
       // TODO(domlaskowski): Synchronize window state transitions with the
       // client, and abort client-side dragging on transition to fullscreen. See
       // crbug.com/699746.
       DLOG_IF(ERROR, widget_bounds.size() != new_widget_bounds.size())
           << "Window size changed during client-driven drag";
 
       // Convert from screen to display coordinates.
       gfx::Point origin = new_widget_bounds.origin();
@@ skipping 168 matching lines @@
 gfx::Point ShellSurface::GetMouseLocation() const {
   aura::Window* const root_window = widget_->GetNativeWindow()->GetRootWindow();
   gfx::Point location =
       root_window->GetHost()->dispatcher()->GetLastMouseLocationInRoot();
   aura::Window::ConvertPointToTarget(
       root_window, widget_->GetNativeWindow()->parent(), &location);
   return location;
 }
 
 }  // namespace exo