[Ozone-DRI] Listen for swap events

ui/ozone/platform/dri/hardware_display_plane_manager_legacy.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 "ui/ozone/platform/dri/hardware_display_plane_manager_legacy.h"
 
+#include "base/bind.h"
 #include "ui/ozone/platform/dri/crtc_controller.h"
 #include "ui/ozone/platform/dri/dri_wrapper.h"
 #include "ui/ozone/platform/dri/scanout_buffer.h"
 
 namespace ui {
 
 HardwareDisplayPlaneManagerLegacy::HardwareDisplayPlaneManagerLegacy() {
 }
 
 HardwareDisplayPlaneManagerLegacy::~HardwareDisplayPlaneManagerLegacy() {
 }
 
 bool HardwareDisplayPlaneManagerLegacy::Commit(
     HardwareDisplayPlaneList* plane_list) {
   bool ret = true;
   plane_list->plane_list.swap(plane_list->old_plane_list);
   plane_list->plane_list.clear();
   for (const auto& flip : plane_list->legacy_page_flips) {
     // Permission Denied is a legitimate error
-    if (!drm_->PageFlip(flip.crtc_id, flip.framebuffer, flip.crtc)) {
+    if (!drm_->PageFlip(flip.crtc_id, flip.framebuffer,
+                        base::Bind(&CrtcController::OnPageFlipEvent,
+                                   flip.crtc->AsWeakPtr()))) {
       if (errno != EACCES) {
         LOG(ERROR) << "Cannot page flip: error='" << strerror(errno) << "'"
                    << " crtc=" << flip.crtc_id
                    << " framebuffer=" << flip.framebuffer;
         LOG(ERROR) << "Failed to commit planes";
         ret = false;
       }
       flip.crtc->PageFlipFailed();
     } else {
       for (const auto& plane : flip.planes) {
@@ skipping 29 matching lines @@
   } else {
     plane_list->legacy_page_flips.back().planes.push_back(
         HardwareDisplayPlaneList::PageFlipInfo::Plane(
             hw_plane->plane_id(), overlay.buffer->GetFramebufferId(),
             overlay.display_bounds, src_rect));
   }
   return true;
 }
 
 }  // namespace ui