[turbofan] Remove obsolete 'incomplete' flag from GraphDecorator.

src/compiler/graph.h

Index: src/compiler/graph.h
diff --git a/src/compiler/graph.h b/src/compiler/graph.h
index 50da168493cd1e6d81bba350495bf492f51da5cb..44258feeb2453976dc69c4387dec10678bedee8a 100644
--- a/src/compiler/graph.h
+++ b/src/compiler/graph.h
@@ -92,7 +92,7 @@ class Graph : public ZoneObject {
 
   size_t NodeCount() const { return next_node_id_; }
 
-  void Decorate(Node* node, bool incomplete);
+  void Decorate(Node* node);
   void AddDecorator(GraphDecorator* decorator);
   void RemoveDecorator(GraphDecorator* decorator);
 
@@ -117,7 +117,7 @@ class Graph : public ZoneObject {
 class GraphDecorator : public ZoneObject {
  public:
   virtual ~GraphDecorator() {}
-  virtual void Decorate(Node* node, bool incomplete) = 0;
+  virtual void Decorate(Node* node) = 0;
 };
 
 }  // namespace compiler