Make some foo.h headers usable without foo-inl.h header.

src/heap/objects-visiting.cc

Index: src/heap/objects-visiting.cc
diff --git a/src/heap/objects-visiting.cc b/src/heap/objects-visiting.cc
index ff5b8591cec4d1e8c1aa849c9051806ce2c6d8a9..0c5a0544a06f25bc1e8ed13bdac069522c10472c 100644
--- a/src/heap/objects-visiting.cc
+++ b/src/heap/objects-visiting.cc
@@ -12,6 +12,12 @@ namespace v8 {
 namespace internal {
 
 
+StaticVisitorBase::VisitorId StaticVisitorBase::GetVisitorId(Map* map) {
+  return GetVisitorId(map->instance_type(), map->instance_size(),
+                      FLAG_unbox_double_fields && !map->HasFastPointerLayout());
+}
+
+
 StaticVisitorBase::VisitorId StaticVisitorBase::GetVisitorId(
     int instance_type, int instance_size, bool has_unboxed_fields) {
   if (instance_type < FIRST_NONSTRING_TYPE) {