[not for review] Add Draw entries to window Performance Timeline

cc/trees/thread_proxy.cc

 // Copyright 2011 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/trees/thread_proxy.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_argument.h"
 #include "base/debug/trace_event_synthetic_delay.h"
 #include "cc/base/swap_promise.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/debug/devtools_instrumentation.h"
+#include "cc/debug/smoothness_timing_tracker.h"
 #include "cc/input/input_handler.h"
 #include "cc/output/context_provider.h"
 #include "cc/output/output_surface.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/resources/prioritized_resource_manager.h"
 #include "cc/scheduler/delay_based_time_source.h"
 #include "cc/scheduler/scheduler.h"
 #include "cc/trees/blocking_task_runner.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_impl.h"
@@ skipping 669 matching lines @@
 
   if (!impl().layer_tree_host_impl->settings().impl_side_painting) {
     DCHECK_GT(impl().layer_tree_host_impl->memory_allocation_limit_bytes(), 0u);
   }
   begin_main_frame_state->memory_allocation_limit_bytes =
       impl().layer_tree_host_impl->memory_allocation_limit_bytes();
   begin_main_frame_state->memory_allocation_priority_cutoff =
       impl().layer_tree_host_impl->memory_allocation_priority_cutoff();
   begin_main_frame_state->evicted_ui_resources =
       impl().layer_tree_host_impl->EvictedUIResourcesExist();
+  begin_main_frame_state->smoothness_composite_counts =
+      impl()
+          .layer_tree_host_impl->smoothness_tracker()
+          ->CalculateCompositeCounts();
+  impl().layer_tree_host_impl->smoothness_tracker()->clear_events();
+
   Proxy::MainThreadTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&ThreadProxy::BeginMainFrame,
                  main_thread_weak_ptr_,
                  base::Passed(&begin_main_frame_state)));
   devtools_instrumentation::DidRequestMainThreadFrame(
       impl().layer_tree_host_id);
   impl().timing_history.DidBeginMainFrame();
 }
 
@@ skipping 58 matching lines @@
   // On the other hand, the animate_requested flag should remain cleared
   // here so that any animation requests generated by the apply or animate
   // callbacks will trigger another frame.
   main().commit_requested = true;
   main().commit_request_sent_to_impl_thread = true;
   VLOG(2) << "ThreadProxy::BeginMainFrame: Commit requests silenced.";
 
   layer_tree_host()->ApplyScrollAndScale(
       begin_main_frame_state->scroll_info.get());
 
+  layer_tree_host()->RecordCompositeTiming(
+      *begin_main_frame_state->smoothness_composite_counts);
+
   layer_tree_host()->WillBeginMainFrame();
 
   layer_tree_host()->BeginMainFrame(begin_main_frame_state->begin_frame_args);
   layer_tree_host()->AnimateLayers(
       begin_main_frame_state->begin_frame_args.frame_time);
   blocked_main().last_monotonic_frame_begin_time =
       begin_main_frame_state->begin_frame_args.frame_time;
 
   // Unlink any backings that the impl thread has evicted, so that we know to
   // re-paint them in UpdateLayers.
@@ skipping 624 matching lines @@
 
   impl().timing_history.DidActivateSyncTree();
 }
 
 void ThreadProxy::DidManageTiles() {
   DCHECK(IsImplThread());
   impl().scheduler->DidManageTiles();
 }
 
 }  // namespace cc