Plumb LatencyInfo through aura.

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index 1b49553e84e70e87fd8564853239cd8e4323f920..593c0b1bebdbdacb0ae95cacbcb72ac252b188d3 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -459,6 +459,7 @@ class RenderWidgetHostViewAura
   void BuffersSwapped(const gfx::Size& size,
                       float surface_scale_factor,
                       const std::string& mailbox_name,
+                      const ui::LatencyInfo& latency_info,
                       const BufferPresentedCallback& ack_callback);
 
   bool SwapBuffersPrepare(const gfx::Rect& surface_rect,
@@ -473,12 +474,14 @@ class RenderWidgetHostViewAura
 
   void SwapDelegatedFrame(
       scoped_ptr<cc::DelegatedFrameData> frame_data,
-      float frame_device_scale_factor);
+      float frame_device_scale_factor,
+      const ui::LatencyInfo& latency_info);
   void SendDelegatedFrameAck();
 
   void SwapSoftwareFrame(
       scoped_ptr<cc::SoftwareFrameData> frame_data,
-      float frame_device_scale_factor);
+      float frame_device_scale_factor,
+      const ui::LatencyInfo& latency_info);
   void SendSoftwareFrameAck(const TransportDIB::Id& id);
 
   BrowserAccessibilityManager* GetOrCreateBrowserAccessibilityManager();