Revert "Convert UnaryOpStub to a HydrogenCodeStub"

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 2f3414eb305e9b4e6479042d69ccf264823916bb..3a8d242b8c14d5bcceae6e3207ee15526c228f8f 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1137,8 +1137,6 @@ class HGraphBuilder {
 
   HLoadNamedField* AddLoadFixedArrayLength(HValue *object);
 
-  void AddSoftDeoptimize();
-
   class IfBuilder {
    public:
     explicit IfBuilder(HGraphBuilder* builder,
@@ -1419,9 +1417,6 @@ class HGraphBuilder {
                                  ElementsKind kind,
                                  int length);
 
-  HInstruction* BuildUnaryMathOp(
-      HValue* value, Handle<Type> type, Token::Value token);
-
   void BuildCompareNil(
       HValue* value,
       Handle<Type> type,
@@ -1509,6 +1504,8 @@ class HOptimizedGraphBuilder: public HGraphBuilder, public AstVisitor {
 
   bool inline_bailout() { return inline_bailout_; }
 
+  void AddSoftDeoptimize();
+
   void Bailout(const char* reason);
 
   HBasicBlock* CreateJoin(HBasicBlock* first,
@@ -1690,6 +1687,9 @@ class HOptimizedGraphBuilder: public HGraphBuilder, public AstVisitor {
   // to push them as outgoing parameters.
   template <class Instruction> HInstruction* PreProcessCall(Instruction* call);
 
+  static Representation ToRepresentation(TypeInfo info);
+  static Representation ToRepresentation(Handle<Type> type);
+
   void SetUpScope(Scope* scope);
   virtual void VisitStatements(ZoneList<Statement*>* statements);