Make Satisfy/Require callbacks pass Surface id and sequence by reference

content/renderer/child_frame_compositing_helper.h

Index: content/renderer/child_frame_compositing_helper.h
diff --git a/content/renderer/child_frame_compositing_helper.h b/content/renderer/child_frame_compositing_helper.h
index e51ab82870bdb08f358d865d194a760bc11c8531..09548c71f923cacbced6ede7e75fa7a704513159 100644
--- a/content/renderer/child_frame_compositing_helper.h
+++ b/content/renderer/child_frame_compositing_helper.h
@@ -93,22 +93,22 @@ class CONTENT_EXPORT ChildFrameCompositingHelper
                                          cc::Layer* layer);
   static void SatisfyCallback(scoped_refptr<ThreadSafeSender> sender,
                               int host_routing_id,
-                              cc::SurfaceSequence sequence);
+                              const cc::SurfaceSequence& sequence);
   static void SatisfyCallbackBrowserPlugin(
       scoped_refptr<ThreadSafeSender> sender,
       int host_routing_id,
       int browser_plugin_instance_id,
-      cc::SurfaceSequence sequence);
+      const cc::SurfaceSequence& sequence);
   static void RequireCallback(scoped_refptr<ThreadSafeSender> sender,
                               int host_routing_id,
-                              cc::SurfaceId id,
-                              cc::SurfaceSequence sequence);
+                              const cc::SurfaceId& id,
+                              const cc::SurfaceSequence& sequence);
   static void RequireCallbackBrowserPlugin(
       scoped_refptr<ThreadSafeSender> sender,
       int host_routing_id,
       int browser_plugin_instance_id,
-      cc::SurfaceId id,
-      cc::SurfaceSequence sequence);
+      const cc::SurfaceId& id,
+      const cc::SurfaceSequence& sequence);
   void UpdateWebLayer(blink::WebLayer* layer);
 
   int host_routing_id_;