Remove deprecated PrintableUnique.

src/compiler/graph-builder.h

 // Copyright 2013 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.
 
 #ifndef V8_COMPILER_GRAPH_BUILDER_H_
 #define V8_COMPILER_GRAPH_BUILDER_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
@@ skipping 110 matching lines @@
 
   Node* dead_control();
 
   // TODO(mstarzinger): Use phase-local zone instead!
   Zone* zone() const { return graph()->zone(); }
   Isolate* isolate() const { return zone()->isolate(); }
   CommonOperatorBuilder* common() const { return common_; }
 
   // Helper to wrap a Handle<T> into a Unique<T>.
   template <class T>
-  PrintableUnique<T> MakeUnique(Handle<T> object) {
-    return PrintableUnique<T>::CreateUninitialized(zone(), object);
+  Unique<T> MakeUnique(Handle<T> object) {
+    return Unique<T>::CreateUninitialized(object);
   }
 
   // Support for control flow builders. The concrete type of the environment
   // depends on the graph builder, but environments themselves are not virtual.
   virtual Environment* CopyEnvironment(Environment* env);
 
   // Helper to indicate a node exits the function body.
   void UpdateControlDependencyToLeaveFunction(Node* exit);
 
  private:
@@ skipping 77 matching lines @@
   StructuredGraphBuilder* builder_;
   Node* control_dependency_;
   Node* effect_dependency_;
   NodeVector values_;
 };
 }
 }
 }  // namespace v8::internal::compiler
 
 #endif  // V8_COMPILER_GRAPH_BUILDER_H__