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

cc/trees/layer_tree_host.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/layer_tree_host.h"
 
 #include <algorithm>
 #include <stack>
 #include <string>
+#include <utility>
 
 #include "base/atomic_sequence_num.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_argument.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 13 matching lines @@
 #include "cc/resources/prioritized_resource_manager.h"
 #include "cc/resources/ui_resource_request.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "cc/trees/layer_tree_host_common.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "cc/trees/occlusion_tracker.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "cc/trees/thread_proxy.h"
 #include "cc/trees/tree_synchronizer.h"
+#include "ui/gfx/frame_time.h"
 #include "ui/gfx/size_conversions.h"
 
 namespace {
 static base::StaticAtomicSequenceNumber s_layer_tree_host_sequence_number;
 }
 
 namespace cc {
 
 RendererCapabilities::RendererCapabilities(ResourceFormat best_texture_format,
                                            bool allow_partial_texture_updates,
@@ skipping 993 matching lines @@
       // This means that once the layer-tree becomes unsuitable for gpu
       // rasterization due to some content, it will continue to be unsuitable
       // even if that content is replaced by gpu-friendly content.
       // This is to avoid switching back-and-forth between gpu and sw
       // rasterization which may be both bad for performance and visually
       // jarring.
       content_is_suitable_for_gpu_rasterization_ &=
           it->IsSuitableForGpuRasterization();
     }
 
+    if (*did_paint_content && it->smoothness_timing_requests().size()) {
+      const std::vector<std::pair<int64_t, gfx::Rect> >& vec =
+          it->smoothness_timing_requests();
+      std::pair<int, base::TimeTicks> timestamp(source_frame_number(),
+                                                gfx::FrameTime::Now());
+      for (size_t i = 0; i < vec.size(); ++i) {
+        client_->RecordCommitTiming(vec[i].first, timestamp);
+      }
+    }
+
     occlusion_tracker.LeaveLayer(it);
   }
 
   in_paint_layer_contents_ = false;
 }
 
 void LayerTreeHost::ApplyScrollAndScale(ScrollAndScaleSet* info) {
   if (!root_layer_.get())
     return;
 
@@ skipping 47 matching lines @@
     }
     ApplyPageScaleDeltaFromImplSide(info->page_scale_delta);
 
     client_->ApplyViewportDeltas(
         inner_viewport_scroll_delta + outer_viewport_scroll_delta,
         info->page_scale_delta,
         info->top_controls_delta);
   }
 }
 
+void LayerTreeHost::RecordCompositeTiming(const CompositeTimingSet& info) {
+  if (!root_layer_.get())
+    return;
+
+  for (size_t i = 0; i < info.composites.size(); ++i) {
+    client_->RecordCompositeTiming(info.composites[i].rect_id,
+                                   info.composites[i].timestamps);
+  }
+}
+
 void LayerTreeHost::StartRateLimiter() {
   if (inside_begin_main_frame_)
     return;
 
   if (!rate_limit_timer_.IsRunning()) {
     rate_limit_timer_.Start(FROM_HERE,
                             base::TimeDelta(),
                             this,
                             &LayerTreeHost::RateLimit);
   }
@@ skipping 191 matching lines @@
   swap_promise_list_.push_back(swap_promise.Pass());
 }
 
 void LayerTreeHost::BreakSwapPromises(SwapPromise::DidNotSwapReason reason) {
   for (size_t i = 0; i < swap_promise_list_.size(); i++)
     swap_promise_list_[i]->DidNotSwap(reason);
   swap_promise_list_.clear();
 }
 
 }  // namespace cc