Make whether or not a Code object should be created by masm explicit

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 1e8a0567883839fd01519845a5a9c1b8f691fdf1..04f86eb4dc8732ee2bfb9182b052b3f81ea20858 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -88,11 +88,8 @@ enum TargetAddressStorageMode {
 // MacroAssembler implements a collection of frequently used macros.
 class MacroAssembler: public Assembler {
  public:
-  // The isolate parameter can be NULL if the macro assembler should
-  // not use isolate-dependent functionality. In this case, it's the
-  // responsibility of the caller to never invoke such function on the
-  // macro assembler.
-  MacroAssembler(Isolate* isolate, void* buffer, int size);
+  MacroAssembler(Isolate* isolate, void* buffer, int size,
+                 CodeObjectRequired create_code_object);
 
 
   // Returns the size of a call in instructions. Note, the value returned is