cc: Add more traces to the activation path.

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 272 matching lines @@
   raster_finished_task_pending_ = false;
 
   // Call CheckForCompletedRasterTasks() when we've finished running all
   // raster tasks needed since last time ScheduleTasks() was called.
   // This reduces latency between the time when all tasks have finished
   // running and the time when the client is notified.
   CheckForCompletedRasterTasks();
 }
 
 void PixelBufferRasterWorkerPool::OnRasterRequiredForActivationFinished() {
-  TRACE_EVENT0(
+  TRACE_EVENT1(
       "cc",
-      "PixelBufferRasterWorkerPool::OnRasterRequiredForActivationFinished");
+      "PixelBufferRasterWorkerPool::OnRasterRequiredForActivationFinished",
+      "should_notify_client_if_no_tasks_required_for_activation_are_pending",
+      should_notify_client_if_no_tasks_required_for_activation_are_pending_);
 
   // Analogous to OnRasterTasksFinished(), there's no need to call
   // CheckForCompletedRasterTasks() if the client has already been notified.
   if (!should_notify_client_if_no_tasks_required_for_activation_are_pending_)
     return;
   raster_required_for_activation_finished_task_pending_ = false;
 
   // This reduces latency between the time when all tasks required for
   // activation have finished running and the time when the client is
   // notified.
@@ skipping 429 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