Make some functions that are hit during renderer startup available for inlining

src/heap/heap-inl.h

Index: src/heap/heap-inl.h
diff --git a/src/heap/heap-inl.h b/src/heap/heap-inl.h
index 097630aeafa20b53f1dbb77c6bda137b8896acc8..4e506c0537a92e2353768986ac56229e73e00143 100644
--- a/src/heap/heap-inl.h
+++ b/src/heap/heap-inl.h
@@ -294,6 +294,9 @@ AllocationResult Heap::CopyFixedDoubleArray(FixedDoubleArray* src) {
   return CopyFixedDoubleArrayWithMap(src, src->map());
 }
 
+AllocationResult Heap::AllocateFixedArray(int length, PretenureFlag pretenure) {
+  return AllocateFixedArrayWithFiller(length, pretenure, undefined_value());
+}
 
 AllocationResult Heap::AllocateRaw(int size_in_bytes, AllocationSpace space,
                                    AllocationAlignment alignment) {