Add latency info to input events sent to RenderWidget.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index e01c0b72ad86c9be33231c952baf23405f9205b6..5855f78847fbac90b0d297f92c73205a50d501c6 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -341,6 +341,11 @@ void RenderWidgetCompositor::SetNeedsRedrawRect(gfx::Rect damage_rect) {
   layer_tree_host_->SetNeedsRedrawRect(damage_rect);
 }
 
+void RenderWidgetCompositor::SetLatencyInfo(
+    const cc::LatencyInfo& latency_info) {
+  layer_tree_host_->SetLatencyInfo(latency_info);
+}
+
 bool RenderWidgetCompositor::initialize(cc::LayerTreeSettings settings) {
   scoped_ptr<cc::Thread> impl_thread;
   scoped_refptr<base::MessageLoopProxy> compositor_message_loop_proxy =