Templatise type representation

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index 96cfc378476943483ab2f6dc862f3cf3389848f9..214d6d55ba9fa6948c81a4bd9a7a8a61ef32ff7c 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -341,7 +341,7 @@ template <>
 HValue* CodeStubGraphBuilder<NumberToStringStub>::BuildCodeStub() {
   info()->MarkAsSavesCallerDoubles();
   HValue* number = GetParameter(NumberToStringStub::kNumber);
-  return BuildNumberToString(number, handle(Type::Number(), isolate()));
+  return BuildNumberToString(number, Type::Number(isolate()));
 }
 
 
@@ -922,7 +922,7 @@ HValue* CodeStubGraphBuilder<BinaryOpICStub>::BuildCodeInitializedStub() {
       {
         Push(BuildBinaryOperation(
                     state.op(), left, right,
-                    handle(Type::String(), isolate()), right_type,
+                    Type::String(isolate()), right_type,
                     result_type, state.fixed_right_arg()));
       }
       if_leftisstring.Else();
@@ -941,7 +941,7 @@ HValue* CodeStubGraphBuilder<BinaryOpICStub>::BuildCodeInitializedStub() {
       {
         Push(BuildBinaryOperation(
                     state.op(), left, right,
-                    left_type, handle(Type::String(), isolate()),
+                    left_type, Type::String(isolate()),
                     result_type, state.fixed_right_arg()));
       }
       if_rightisstring.Else();