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 47587c04c7522f41d073e27bdb170fd3d707fd7f..4ff4a7423be9062568c7965b495153214049c613 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -338,6 +338,11 @@ 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 =