Use mojo for cursor control in ozone drm

ui/ozone/platform/drm/gpu/drm_thread.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/ozone/platform/drm/gpu/drm_thread.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_task_runner_handle.h"
+#include "services/shell/public/cpp/connection.h"
 #include "ui/ozone/platform/drm/gpu/drm_buffer.h"
 #include "ui/ozone/platform/drm/gpu/drm_device_generator.h"
 #include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
 #include "ui/ozone/platform/drm/gpu/drm_gpu_display_manager.h"
 #include "ui/ozone/platform/drm/gpu/drm_window.h"
 #include "ui/ozone/platform/drm/gpu/drm_window_proxy.h"
 #include "ui/ozone/platform/drm/gpu/gbm_buffer.h"
 #include "ui/ozone/platform/drm/gpu/gbm_device.h"
 #include "ui/ozone/platform/drm/gpu/gbm_surface_factory.h"
 #include "ui/ozone/platform/drm/gpu/proxy_helpers.h"
@@ skipping 137 matching lines @@
 void DrmThread::DestroyWindow(gfx::AcceleratedWidget widget) {
   std::unique_ptr<DrmWindow> window = screen_manager_->RemoveWindow(widget);
   window->Shutdown();
 }
 
 void DrmThread::SetWindowBounds(gfx::AcceleratedWidget widget,
                                 const gfx::Rect& bounds) {
   screen_manager_->GetWindow(widget)->SetBounds(bounds);
 }
 
-void DrmThread::SetCursor(gfx::AcceleratedWidget widget,
+void DrmThread::SetCursor(const gfx::AcceleratedWidget& widget,
                           const std::vector<SkBitmap>& bitmaps,
                           const gfx::Point& location,
-                          int frame_delay_ms) {
+                          uint32_t frame_delay_ms) {
   screen_manager_->GetWindow(widget)
       ->SetCursor(bitmaps, location, frame_delay_ms);
 }
 
 void DrmThread::MoveCursor(const gfx::AcceleratedWidget& widget,
                            const gfx::Point& location) {
   screen_manager_->GetWindow(widget)->MoveCursor(location);
 }
 
 void DrmThread::CheckOverlayCapabilities(
@@ skipping 62 matching lines @@
 
 void DrmThread::SetColorCorrection(
     int64_t display_id,
     const std::vector<GammaRampRGBEntry>& degamma_lut,
     const std::vector<GammaRampRGBEntry>& gamma_lut,
     const std::vector<float>& correction_matrix) {
   display_manager_->SetColorCorrection(display_id, degamma_lut, gamma_lut,
                                        correction_matrix);
 }
 
+// DrmThread requires a BindingSet instead of a simple Binding because it will
+// be used from multiple threads in multiple processes.
+void DrmThread::AddBinding(shell::Connection* connection,
+                           ozone::mojom::CursorRequest request) {
+  bindings_.AddBinding(this, std::move(request));
+}
+
 }  // namespace ui