[ic] Remove names table from type feedback metadata.

src/heap/object-stats.cc

 // Copyright 2015 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.
 
 #include "src/heap/object-stats.h"
 
 #include "src/compilation-cache.h"
 #include "src/counters.h"
 #include "src/heap/heap-inl.h"
 #include "src/isolate.h"
@@ skipping 528 matching lines @@
 }
 
 void ObjectStatsCollector::RecordSharedFunctionInfoDetails(
     SharedFunctionInfo* sfi) {
   FixedArray* scope_info = sfi->scope_info();
   RecordFixedArrayHelper(sfi, scope_info, SCOPE_INFO_SUB_TYPE, 0);
   TypeFeedbackMetadata* feedback_metadata = sfi->feedback_metadata();
   if (!feedback_metadata->is_empty()) {
     RecordFixedArrayHelper(sfi, feedback_metadata,
                            TYPE_FEEDBACK_METADATA_SUB_TYPE, 0);
-    Object* names =
-        feedback_metadata->get(TypeFeedbackMetadata::kNamesTableIndex);
-    if (!names->IsSmi()) {
-      UnseededNumberDictionary* names = UnseededNumberDictionary::cast(
-          feedback_metadata->get(TypeFeedbackMetadata::kNamesTableIndex));
-      RecordHashTableHelper(sfi, names, TYPE_FEEDBACK_METADATA_SUB_TYPE);
-    }
   }
 
   if (!sfi->OptimizedCodeMapIsCleared()) {
     FixedArray* optimized_code_map = sfi->optimized_code_map();
     RecordFixedArrayHelper(sfi, optimized_code_map, OPTIMIZED_CODE_MAP_SUB_TYPE,
                            0);
     // Optimized code map should be small, so skip accounting.
     int len = optimized_code_map->length();
     for (int i = SharedFunctionInfo::kEntriesStart; i < len;
          i += SharedFunctionInfo::kEntryLength) {
@@ skipping 39 matching lines @@
                           SLOW_TEMPLATE_INSTANTIATIONS_CACHE_SUB_TYPE);
     FixedArray* fast_cache = native_ctx->fast_template_instantiations_cache();
     stats_->RecordFixedArraySubTypeStats(
         fast_cache, FAST_TEMPLATE_INSTANTIATIONS_CACHE_SUB_TYPE,
         fast_cache->Size(), 0);
   }
 }
 
 }  // namespace internal
 }  // namespace v8