Support plumbing LatencyInfo through the old software path.

content/browser/renderer_host/render_widget_host_impl.cc

 // Copyright (c) 2012 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/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 1848 matching lines @@
   // We don't need to update the view if the view is hidden. We must do this
   // early return after the ACK is sent, however, or the renderer will not send
   // us more data.
   if (is_hidden_)
     return;
 
   // Now paint the view. Watch out: it might be destroyed already.
   if (view_ && !is_accelerated_compositing_active_) {
     view_being_painted_ = true;
     view_->DidUpdateBackingStore(params.scroll_rect, params.scroll_delta,
-                                 params.copy_rects);
+                                 params.copy_rects, params.latency_info);
     view_being_painted_ = false;
   }
 
   // If we got a resize ack, then perhaps we have another resize to send?
   bool is_resize_ack =
       ViewHostMsg_UpdateRect_Flags::is_resize_ack(params.flags);
   if (is_resize_ack)
     WasResized();
 
   // Log the time delta for processing a paint message.
@@ skipping 660 matching lines @@
     if (!host)
       continue;
     RenderWidgetHost* rwh = host->GetRenderWidgetHostByID(routing_id);
     if (!rwh)
       continue;
     RenderWidgetHostImpl::From(rwh)->FrameSwapped(latency_info);
   }
 }
 
 }  // namespace content