Merge SetObjectNames extra pass into the main pass.

src/profile-generator.h

Index: src/profile-generator.h
diff --git a/src/profile-generator.h b/src/profile-generator.h
index 18c157cdfd88be9d96bec203e3ec4d318db049fb..bc1fb42d8845c31453f5e74f7a23166ca871e933 100644
--- a/src/profile-generator.h
+++ b/src/profile-generator.h
@@ -526,7 +526,6 @@ class HeapEntry BASE_EMBEDDED {
   HeapSnapshot* snapshot() { return snapshot_; }
   Type type() { return static_cast<Type>(type_); }
   const char* name() { return name_; }
-  void set_name(const char* name) { name_ = name; }
   inline SnapshotObjectId id() { return id_; }
   int self_size() { return self_size_; }
   int retained_size() { return retained_size_; }
@@ -889,7 +888,6 @@ class V8HeapExplorer : public HeapEntriesAllocator {
   void AddRootEntries(SnapshotFillerInterface* filler);
   int EstimateObjectsCount(HeapIterator* iterator);
   bool IterateAndExtractReferences(SnapshotFillerInterface* filler);
-  bool IterateAndSetObjectNames(SnapshotFillerInterface* filler);
   void TagGlobalObjects();
 
   static String* GetConstructorName(JSObject* object);
@@ -968,7 +966,6 @@ class V8HeapExplorer : public HeapEntriesAllocator {
   void SetGcSubrootReference(
       VisitorSynchronization::SyncTag tag, bool is_weak, Object* child);
   const char* GetStrongGcSubrootName(Object* object);
-  void SetObjectName(HeapObject* object);
   void TagObject(Object* obj, const char* tag);
 
   HeapEntry* GetEntry(Object* obj);