Cleanup unused code from the type oracle.

src/type-info.h

Index: src/type-info.h
===================================================================
--- src/type-info.h	(revision 6513)
+++ src/type-info.h	(working copy)
@@ -236,12 +236,6 @@
 
 class TypeFeedbackOracle BASE_EMBEDDED {
  public:
-  enum Side {
-    LEFT,
-    RIGHT,
-    RESULT
-  };
-
   TypeFeedbackOracle(Handle<Code> code, Handle<Context> global_context);
 
   bool LoadIsMonomorphic(Property* expr);
@@ -261,8 +255,8 @@
   bool LoadIsBuiltin(Property* expr, Builtins::Name id);
 
   // Get type information for arithmetic operations and compares.
-  TypeInfo BinaryType(BinaryOperation* expr, Side side);
-  TypeInfo CompareType(CompareOperation* expr, Side side);
+  TypeInfo BinaryType(BinaryOperation* expr);
+  TypeInfo CompareType(CompareOperation* expr);
   TypeInfo SwitchType(CaseClause* clause);
 
  private: