[turbofan] Remove usage of Unique<T> from graph.

src/compiler/typer.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/typer.h"
 
 #include "src/base/flags.h"
 #include "src/base/lazy-instance.h"
 #include "src/bootstrapper.h"
 #include "src/compiler/common-operator.h"
@@ skipping 523 matching lines @@
 
 
 Bounds Typer::Visitor::TypeNumberConstant(Node* node) {
   Factory* f = isolate()->factory();
   return Bounds(Type::Constant(
       f->NewNumber(OpParameter<double>(node)), zone()));
 }
 
 
 Bounds Typer::Visitor::TypeHeapConstant(Node* node) {
-  return Bounds(TypeConstant(OpParameter<Unique<HeapObject> >(node).handle()));
+  return Bounds(TypeConstant(OpParameter<Handle<HeapObject>>(node)));
 }
 
 
 Bounds Typer::Visitor::TypeExternalConstant(Node* node) {
   return Bounds(Type::None(zone()), Type::Internal(zone()));
 }
 
 
 Bounds Typer::Visitor::TypeSelect(Node* node) {
   return Bounds::Either(Operand(node, 1), Operand(node, 2), zone());
@@ skipping 1737 matching lines @@
       TYPED_ARRAYS(TYPED_ARRAY_CASE)
 #undef TYPED_ARRAY_CASE
     }
   }
   return Type::Constant(value, zone());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8