Revert "Turn the NumberToStringStub into a hydrogen stub."

src/ia32/code-stubs-ia32.h

Index: src/ia32/code-stubs-ia32.h
diff --git a/src/ia32/code-stubs-ia32.h b/src/ia32/code-stubs-ia32.h
index dc536e7eaee29a40a0fe0e11cebe3eaf0538e89f..f36cd610cac10d06b4d4553a353d0f9ecdaad1cb 100644
--- a/src/ia32/code-stubs-ia32.h
+++ b/src/ia32/code-stubs-ia32.h
@@ -217,6 +217,18 @@ class StringCompareStub: public PlatformCodeStub {
 };
 
 
+class NumberToStringStub: public PlatformCodeStub {
+ public:
+  NumberToStringStub() { }
+
+ private:
+  Major MajorKey() { return NumberToString; }
+  int MinorKey() { return 0; }
+
+  void Generate(MacroAssembler* masm);
+};
+
+
 class NameDictionaryLookupStub: public PlatformCodeStub {
  public:
   enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP };