Add Keyboard Latency UMA Metrics.

content/browser/frame_host/render_widget_host_view_child_frame.cc

Index: content/browser/frame_host/render_widget_host_view_child_frame.cc
diff --git a/content/browser/frame_host/render_widget_host_view_child_frame.cc b/content/browser/frame_host/render_widget_host_view_child_frame.cc
index c591e8514b3c15e5fb256ae44feb0ec07a0230ca..998053616e9ad54d5e0d1d2f427453c34e4f05c3 100644
--- a/content/browser/frame_host/render_widget_host_view_child_frame.cc
+++ b/content/browser/frame_host/render_widget_host_view_child_frame.cc
@@ -459,8 +459,9 @@ cc::FrameSinkId RenderWidgetHostViewChildFrame::GetFrameSinkId() {
 }
 
 void RenderWidgetHostViewChildFrame::ProcessKeyboardEvent(
-    const NativeWebKeyboardEvent& event) {
-  host_->ForwardKeyboardEvent(event);
+    const NativeWebKeyboardEvent& event,
+    const ui::LatencyInfo& latency) {
+  host_->ForwardKeyboardEventWithLatencyInfo(event, latency);
 }
 
 void RenderWidgetHostViewChildFrame::ProcessMouseEvent(