[for-in] Further refactorings and unification around for-in.

src/full-codegen/mips/full-codegen-mips.cc

Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index 4c22f1d82f358bb9f99225925606979dfd3167f9..83cb9edb44d6eb88da9f4ac5568498c529f3bf46 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -1079,7 +1079,7 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
   // Get the set of properties to enumerate.
   __ bind(&call_runtime);
   __ push(a0);  // Duplicate the enumerable object on the stack.
-  __ CallRuntime(Runtime::kGetPropertyNamesFast);
+  __ CallRuntime(Runtime::kForInEnumerate);
   PrepareForBailoutForId(stmt->EnumId(), TOS_REG);
 
   // If we got a map from the runtime call, we can do a fast