Hide internal classes from Memory Profile

runtime/observatory/lib/src/service/object.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of service;
 
 // Some value smaller than the object ring, so requesting a large array
 // doesn't result in an expired ref because the elements lapped it in the
 // object ring.
 const int kDefaultFieldLimit = 100;
@@ skipping 2468 matching lines @@
   final AllocationCount accumulated = new AllocationCount();
   final AllocationCount current = new AllocationCount();
 
   void update(List stats) {
     accumulated.instances = stats[ACCUMULATED];
     accumulated.bytes = stats[ACCUMULATED_SIZE];
     current.instances = stats[LIVE_AFTER_GC] + stats[ALLOCATED_SINCE_GC];
     current.bytes = stats[LIVE_AFTER_GC_SIZE] + stats[ALLOCATED_SINCE_GC_SIZE];
   }
 
+  void combine(Iterable<Allocations> allocations) {
+    accumulated.instances =
+        allocations.fold(0, (v, a) => v + a.accumulated.instances);
+    accumulated.bytes = allocations.fold(0, (v, a) => v + a.accumulated.bytes);
+    current.instances = allocations.fold(0, (v, a) => v + a.current.instances);
+    current.bytes = allocations.fold(0, (v, a) => v + a.current.bytes);
+  }
+
   bool get empty => accumulated.empty && current.empty;
   bool get notEmpty => accumulated.notEmpty || current.notEmpty;
 }
 
 class Class extends HeapObject implements M.Class {
   Library library;
 
   bool isAbstract;
   bool isConst;
   bool isFinalized;
@@ skipping 2203 matching lines @@
   final String alias;
   final String method;
   final String service;
 
   Service(this.alias, this.method, this.service) {
     assert(this.alias != null);
     assert(this.method != null);
     assert(this.service != null);
   }
 }