Update from chromium https://crrev.com/302282

cc/resources/pixel_buffer_raster_worker_pool.cc

 // Copyright 2013 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 "cc/resources/pixel_buffer_raster_worker_pool.h"
 
 #include <algorithm>
 
 #include "base/containers/stack_container.h"
 #include "base/debug/trace_event.h"
@@ skipping 151 matching lines @@
 
   shutdown_ = true;
 
   TaskGraph empty;
   task_graph_runner_->ScheduleTasks(namespace_token_, &empty);
   task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_);
 
   CheckForCompletedRasterizerTasks();
   CheckForCompletedUploads();
 
-  check_for_completed_raster_task_notifier_.Cancel();
+  check_for_completed_raster_task_notifier_.Shutdown();
 
   for (RasterTaskState::Vector::iterator it = raster_task_states_.begin();
        it != raster_task_states_.end();
        ++it) {
     RasterTaskState& state = *it;
 
     // All unscheduled tasks need to be canceled.
     if (state.type == RasterTaskState::UNSCHEDULED) {
       completed_raster_tasks_.push_back(state.task);
       state.type = RasterTaskState::COMPLETED;
@@ skipping 563 matching lines @@
 void PixelBufferRasterWorkerPool::ThrottleStateAsValueInto(
     base::debug::TracedValue* throttle_state) const {
   throttle_state->SetInteger("bytes_available_for_upload",
                              max_bytes_pending_upload_ - bytes_pending_upload_);
   throttle_state->SetInteger("bytes_pending_upload", bytes_pending_upload_);
   throttle_state->SetInteger("scheduled_raster_task_count",
                              scheduled_raster_task_count_);
 }
 
 }  // namespace cc