Remove surface_id from RenderWidget/RenderWidgetHost and friends

content/test/test_render_view_host_factory.cc

Index: content/test/test_render_view_host_factory.cc
diff --git a/content/test/test_render_view_host_factory.cc b/content/test/test_render_view_host_factory.cc
index 050ca2e858e491d751b58427eeae6fcd6bb3cc43..1169e9f30665f0d516dc1564f80f4f76611fb251 100644
--- a/content/test/test_render_view_host_factory.cc
+++ b/content/test/test_render_view_host_factory.cc
@@ -31,11 +31,10 @@ RenderViewHost* TestRenderViewHostFactory::CreateRenderViewHost(
     RenderViewHostDelegate* delegate,
     RenderWidgetHostDelegate* widget_delegate,
     int32 routing_id,
-    int32 surface_id,
     int32 main_frame_routing_id,
     bool swapped_out) {
   return new TestRenderViewHost(instance, delegate, widget_delegate, routing_id,
-                                surface_id, main_frame_routing_id, swapped_out);
+                                main_frame_routing_id, swapped_out);
 }
 
 }  // namespace content