[turbofan] Remove obsolete unique.h includes in TurboFan.

src/compiler/js-operator.cc

Index: src/compiler/js-operator.cc
diff --git a/src/compiler/js-operator.cc b/src/compiler/js-operator.cc
index f96584a837ffc8d8ad022c5f9b825edb0bae17d7..3ab2a21977ec8b165eaeb1a6fd2d328eb421da34 100644
--- a/src/compiler/js-operator.cc
+++ b/src/compiler/js-operator.cc
@@ -9,11 +9,19 @@
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
+#include "src/objects-inl.h"  // TODO(mstarzinger): Temporary cycle breaker!
+#include "src/type-feedback-vector-inl.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
+int VectorSlotPair::index() const {
+  Handle<TypeFeedbackVector> vector;
+  return vector_.ToHandle(&vector) ? vector->GetIndex(slot_) : -1;
+}
+
+
 bool operator==(VectorSlotPair const& lhs, VectorSlotPair const& rhs) {
   return lhs.slot() == rhs.slot() && lhs.vector() == rhs.vector();
 }