Added a Isolate* parameter to Serializer::enabled().

src/mips/assembler-mips.cc

Index: src/mips/assembler-mips.cc
diff --git a/src/mips/assembler-mips.cc b/src/mips/assembler-mips.cc
index ccdc114801b7c9df6b46105cb62ec6769f85f8ec..e629868e4edc1f570cf0fc6f654d5efdc8093f38 100644
--- a/src/mips/assembler-mips.cc
+++ b/src/mips/assembler-mips.cc
@@ -2080,7 +2080,7 @@ void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) {
   if (!RelocInfo::IsNone(rinfo.rmode())) {
     // Don't record external references unless the heap will be serialized.
     if (rmode == RelocInfo::EXTERNAL_REFERENCE) {
-      if (!Serializer::enabled() && !emit_debug_code()) {
+      if (!Serializer::enabled(isolate()) && !emit_debug_code()) {
         return;
       }
     }