[ic] Remove names table from type feedback metadata.

src/type-feedback-vector-inl.h

 // Copyright 2012 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_TYPE_FEEDBACK_VECTOR_INL_H_
 #define V8_TYPE_FEEDBACK_VECTOR_INL_H_
 
 #include "src/globals.h"
 #include "src/type-feedback-vector.h"
 
@@ skipping 44 matching lines @@
   DCHECK_NE(FeedbackVectorSlotKind::KINDS_NUMBER, kind);
   if (kind == FeedbackVectorSlotKind::GENERAL ||
       kind == FeedbackVectorSlotKind::INTERPRETER_BINARYOP_IC ||
       kind == FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC) {
     return 1;
   }
 
   return 2;
 }
 
-bool TypeFeedbackMetadata::SlotRequiresName(FeedbackVectorSlotKind kind) {
-  switch (kind) {
-    case FeedbackVectorSlotKind::LOAD_GLOBAL_IC:
-      return true;
-
-    case FeedbackVectorSlotKind::CALL_IC:
-    case FeedbackVectorSlotKind::LOAD_IC:
-    case FeedbackVectorSlotKind::KEYED_LOAD_IC:
-    case FeedbackVectorSlotKind::STORE_IC:
-    case FeedbackVectorSlotKind::KEYED_STORE_IC:
-    case FeedbackVectorSlotKind::INTERPRETER_BINARYOP_IC:
-    case FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC:
-    case FeedbackVectorSlotKind::GENERAL:
-    case FeedbackVectorSlotKind::INVALID:
-      return false;
-
-    case FeedbackVectorSlotKind::KINDS_NUMBER:
-      break;
-  }
-  UNREACHABLE();
-  return false;
-}
-
 bool TypeFeedbackVector::is_empty() const {
   return length() == kReservedIndexCount;
 }
 
 int TypeFeedbackVector::slot_count() const {
   return length() - kReservedIndexCount;
 }
 
 
 TypeFeedbackMetadata* TypeFeedbackVector::metadata() const {
@@ skipping 194 matching lines @@
   int index = vector()->GetIndex(slot()) + 1;
   vector()->set(index, feedback_extra, mode);
 }
 
 
 Isolate* FeedbackNexus::GetIsolate() const { return vector()->GetIsolate(); }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TYPE_FEEDBACK_VECTOR_INL_H_