exo: Fix cursor scale when crossing displays

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"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/public/cpp/window_properties.h"
 #include "ash/public/interfaces/window_pin_type.mojom.h"
-#include "ash/shell_port.h"
 #include "ash/wm/drag_window_resizer.h"
 #include "ash/wm/window_resizer.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
@@ skipping 121 matching lines @@
   views::Widget* const widget_;
 
   DISALLOW_COPY_AND_ASSIGN(CustomWindowTargeter);
 };
 
 // Minimal WindowResizer that unlike DefaultWindowResizer does not handle
 // dragging and resizing windows.
 class CustomWindowResizer : public ash::WindowResizer {
  public:
   explicit CustomWindowResizer(ash::wm::WindowState* window_state)
-      : WindowResizer(window_state) {
-    ash::ShellPort::Get()->LockCursor();
-  }
-  ~CustomWindowResizer() override { ash::ShellPort::Get()->UnlockCursor(); }
+      : WindowResizer(window_state) {}
 
   // Overridden from ash::WindowResizer:
   void Drag(const gfx::Point& location, int event_flags) override {}
   void CompleteDrag() override {}
   void RevertDrag() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CustomWindowResizer);
 };
 
@@ skipping 1499 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