Remove now unused CalculateExactRetainedSize function & сo.

src/profile-generator.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 540 matching lines @@
 
   Vector<HeapGraphEdge> children() {
     return Vector<HeapGraphEdge>(children_arr(), children_count_); }
   Vector<HeapGraphEdge*> retainers() {
     return Vector<HeapGraphEdge*>(retainers_arr(), retainers_count_); }
   HeapEntry* dominator() { return dominator_; }
   void set_dominator(HeapEntry* entry) {
     ASSERT(entry != NULL);
     dominator_ = entry;
   }
-
-  void clear_paint() { painted_ = kUnpainted; }
-  bool painted_reachable() { return painted_ == kPainted; }
-  void paint_reachable() {
-    ASSERT(painted_ == kUnpainted);
-    painted_ = kPainted;
+  void clear_paint() { painted_ = false; }
+  bool painted() { return painted_; }
+  void paint() {
+    ASSERT(!painted_);
+    painted_ = true;
   }
-  bool not_painted_reachable_from_others() {
-    return painted_ != kPaintedReachableFromOthers;
-  }
-  void paint_reachable_from_others() {
-    painted_ = kPaintedReachableFromOthers;
-  }
-  template<class Visitor>
-  void ApplyAndPaintAllReachable(Visitor* visitor);
-  void PaintAllReachable();
 
   void SetIndexedReference(HeapGraphEdge::Type type,
                            int child_index,
                            int index,
                            HeapEntry* entry,
                            int retainer_index);
   void SetNamedReference(HeapGraphEdge::Type type,
                          int child_index,
                          const char* name,
                          HeapEntry* entry,
                          int retainer_index);
   void SetUnidirElementReference(int child_index, int index, HeapEntry* entry);
 
   int EntrySize() { return EntriesSize(1, children_count_, retainers_count_); }
-  int RetainedSize(bool exact);
 
   void Print(
       const char* prefix, const char* edge_name, int max_depth, int indent);
 
   Handle<HeapObject> GetHeapObject();
 
   static int EntriesSize(int entries_count,
                          int children_count,
                          int retainers_count);
 
  private:
   HeapGraphEdge* children_arr() {
     return reinterpret_cast<HeapGraphEdge*>(this + 1);
   }
   HeapGraphEdge** retainers_arr() {
     return reinterpret_cast<HeapGraphEdge**>(children_arr() + children_count_);
   }
-  void CalculateExactRetainedSize();
   const char* TypeAsString();
 
-  unsigned painted_: 2;
+  unsigned painted_: 1;
   unsigned type_: 4;
-  int children_count_: 26;
+  int children_count_: 27;
   int retainers_count_;
   int self_size_;
   union {
     int ordered_index_;  // Used during dominator tree building.
     int retained_size_;  // At that moment, there is no retained size yet.
   };
   HeapEntry* dominator_;
   HeapSnapshot* snapshot_;
   struct Id {
     uint32_t id1_;
     uint32_t id2_;
   } id_;  // This is to avoid extra padding of 64-bit value.
   const char* name_;
 
-  // Paints used for exact retained sizes calculation.
-  static const unsigned kUnpainted = 0;
-  static const unsigned kPainted = 1;
-  static const unsigned kPaintedReachableFromOthers = 2;
-
-  static const int kExactRetainedSizeTag = 1;
-
   DISALLOW_COPY_AND_ASSIGN(HeapEntry);
 };
 
 
 class HeapSnapshotsCollection;
 
 // HeapSnapshot represents a single heap snapshot. It is stored in
 // HeapSnapshotsCollection, which is also a factory for
 // HeapSnapshots. All HeapSnapshots share strings copied from JS heap
 // to be able to return them even if they were collected.
@@ skipping 446 matching lines @@
 };
 
 
 class HeapSnapshotGenerator : public SnapshottingProgressReportingInterface {
  public:
   HeapSnapshotGenerator(HeapSnapshot* snapshot,
                         v8::ActivityControl* control);
   bool GenerateSnapshot();
 
  private:
-  bool ApproximateRetainedSizes();
   bool BuildDominatorTree(const Vector<HeapEntry*>& entries,
                           Vector<int>* dominators);
+  bool CalculateRetainedSizes();
   bool CountEntriesAndReferences();
   bool FillReferences();
   void FillReversePostorderIndexes(Vector<HeapEntry*>* entries);
   void ProgressStep();
   bool ProgressReport(bool force = false);
   bool SetEntriesDominators();
   void SetProgressTotal(int iterations_count);
 
   HeapSnapshot* snapshot_;
   v8::ActivityControl* control_;
@@ skipping 57 matching lines @@
 
   friend class HeapSnapshotJSONSerializerEnumerator;
   friend class HeapSnapshotJSONSerializerIterator;
 
   DISALLOW_COPY_AND_ASSIGN(HeapSnapshotJSONSerializer);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PROFILE_GENERATOR_H_