Call DisableInlineAllocation() in heap setup when flag inline_new is off.

BUG=

Review URL: https://codereview.chromium.org/790353006

Cr-Commit-Position: refs/heads/master@{#25813}

src/heap/heap.cc

@@ -5393,6 +5393,8 @@ bool Heap::SetUp() {
 
   mark_compact_collector()->SetUp();
 
+  if (!FLAG_inline_new) DisableInlineAllocation();
+
   return true;
 }