Remove deprecated PrintableUnique.

src/compiler/node-matchers.h

Index: src/compiler/node-matchers.h
diff --git a/src/compiler/node-matchers.h b/src/compiler/node-matchers.h
index be944ce097f1fa84f1e831d19f40bac210809bfa..225c209ca15671eb82dc7d4194699429480b4932 100644
--- a/src/compiler/node-matchers.h
+++ b/src/compiler/node-matchers.h
@@ -94,13 +94,12 @@ typedef FloatMatcher<double> Float64Matcher;
 
 
 // A pattern matcher for heap object constants.
-struct HeapObjectMatcher FINAL
-    : public ValueMatcher<PrintableUnique<HeapObject> > {
+struct HeapObjectMatcher FINAL : public ValueMatcher<Handle<HeapObject> > {
   explicit HeapObjectMatcher(Node* node)
-      : ValueMatcher<PrintableUnique<HeapObject> >(node) {}
+      : ValueMatcher<Handle<HeapObject> >(node) {}
 
-  bool IsKnownGlobal(HeapObject* global) const {
-    return HasValue() && Value().IsKnownGlobal(global);
+  bool IsKnownGlobal(Handle<HeapObject> global) const {
+    return HasValue() && Value().is_identical_to(global);
   }
 };