Pass collected frame timing events to Blink

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 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 "content/renderer/gpu/render_widget_compositor.h"
 
 #include <limits>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 859 matching lines @@
 void RenderWidgetCompositor::ApplyViewportDeltas(
     const gfx::Vector2d& scroll_delta,
     float page_scale,
     float top_controls_delta) {
   widget_->webwidget()->applyViewportDeltas(
       scroll_delta,
       page_scale,
       top_controls_delta);
 }
 
+namespace {
+
+blink::WebFrameTimingEvent CompositeTimingEventToDouble(
+    const cc::FrameTimingTracker::CompositeTimingEvent& event) {
+  return blink::WebFrameTimingEvent(event.frame_id,
+      (event.timestamp - base::TimeTicks()).InSecondsF());
+}
+
+blink::WebFrameTimingEvent MainFrameTimingEventToDouble(
+    const cc::FrameTimingTracker::MainFrameTimingEvent& event) {
+  return blink::WebFrameTimingEvent(event.frame_id,
+      (event.timestamp - base::TimeTicks()).InSecondsF(),
+      (event.end_time - base::TimeTicks()).InSecondsF());
+}
+
+} // namespace
+
+void RenderWidgetCompositor::RecordCompositeTimings(
+    cc::FrameTimingTracker::CompositeTimingSet* composites) {
+  for (const auto& record : *composites ) {
+    int64_t frameId = record.first;
+    const std::vector<cc::FrameTimingTracker::CompositeTimingEvent>& events =
+        record.second;
+    std::vector<blink::WebFrameTimingEvent> webEvents(events.size());
+    std::transform(events.begin(), events.end(), webEvents.begin(),
+        CompositeTimingEventToDouble);
+    widget_->webwidget()->recordFrameTimingEvent(
+        blink::WebWidget::CompositeEvent, frameId, webEvents);
+  }
+}
+
+void RenderWidgetCompositor::RecordRenderTimings(
+    cc::FrameTimingTracker::MainFrameTimingSet* renders) {
+  for (const auto& record : *renders ) {
+    int64_t frameId = record.first;
+    const std::vector<cc::FrameTimingTracker::MainFrameTimingEvent>& events =
+        record.second;
+    std::vector<blink::WebFrameTimingEvent> webEvents(events.size());
+    std::transform(events.begin(), events.end(), webEvents.begin(),
+        MainFrameTimingEventToDouble);
+    widget_->webwidget()->recordFrameTimingEvent(
+        blink::WebWidget::RenderEvent, frameId, webEvents);
+  }
+}
+
 void RenderWidgetCompositor::RequestNewOutputSurface() {
   // If the host is closing, then no more compositing is possible.  This
   // prevents shutdown races between handling the close message and
   // the CreateOutputSurface task.
   if (widget_->host_closing())
     return;
 
   // TODO(robliao): Remove ScopedTracker below once https://crbug.com/466870
   // is fixed.
   tracked_objects::ScopedTracker tracking_profile(
@@ skipping 78 matching lines @@
     return;
   provider->ContextGL()->RateLimitOffscreenContextCHROMIUM();
 }
 
 void RenderWidgetCompositor::SetSurfaceIdNamespace(
     uint32_t surface_id_namespace) {
   layer_tree_host_->set_surface_id_namespace(surface_id_namespace);
 }
 
 }  // namespace content