Revert r5970 and r5975.

src/ic.h

Index: src/ic.h
===================================================================
--- src/ic.h	(revision 5976)
+++ src/ic.h	(working copy)
@@ -582,10 +582,7 @@
   static const char* GetStateName(State state);
 
  private:
-  State TargetState(State state,
-                    bool has_inlined_smi_code,
-                    Handle<Object> x,
-                    Handle<Object> y);
+  State TargetState(Handle<Object> x, Handle<Object> y);
 
   bool strict() const { return op_ == Token::EQ_STRICT; }
   Condition GetCondition() const { return ComputeCondition(op_); }
@@ -594,8 +591,6 @@
   Token::Value op_;
 };
 
-// Helper for TRBinaryOpIC and CompareIC.
-void PatchInlinedSmiCode(Address address);
 
 } }  // namespace v8::internal