Revert "This value is required for showing the heap snapshot delta in Summary view of DevTools.Prof…

src/profile-generator.cc

Index: src/profile-generator.cc
diff --git a/src/profile-generator.cc b/src/profile-generator.cc
index acab8a092f1a81d999af7bc94160bb057d14d4dd..2d0984ecbf36d4d09d9d687b11420320ce13ce25 100644
--- a/src/profile-generator.cc
+++ b/src/profile-generator.cc
@@ -1133,8 +1133,7 @@ HeapSnapshot::HeapSnapshot(HeapSnapshotsCollection* collection,
       gc_roots_entry_(NULL),
       natives_root_entry_(NULL),
       raw_entries_(NULL),
-      entries_sorted_(false),
-      max_snapshot_js_object_id_(0) {
+      entries_sorted_(false) {
   STATIC_CHECK(
       sizeof(HeapGraphEdge) ==
       SnapshotSizeConstants<kPointerSize>::kExpectedHeapGraphEdgeSize);
@@ -1224,11 +1223,6 @@ HeapEntry* HeapSnapshot::AddEntry(HeapEntry::Type type,
                                   int retainers_count) {
   HeapEntry* entry = GetNextEntryToInit();
   entry->Init(this, type, name, id, size, children_count, retainers_count);
-
-  // Track only js objects. They have odd ids.
-  if (id % HeapObjectsMap::kObjectIdStep && id > max_snapshot_js_object_id_)
-    max_snapshot_js_object_id_ = id;
-
   return entry;
 }