Send allocation stats with each class and show in class view.

runtime/vm/object.cc

 // Copyright (c) 2012, 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.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 4045 matching lines @@
       }
     }
   }
   {
     JSONObject typesRef(&jsobj, "canonicalTypes");
     typesRef.AddProperty("type", "@TypeList");
     typesRef.AddPropertyF("id", "classes/%" Pd "/types", id());
     jsobj.AddPropertyF("name", "canonical types of %s", internal_class_name);
     jsobj.AddPropertyF("user_name", "canonical types of %s", pretty_class_name);
   }
+  {
+    ClassTable* class_table = Isolate::Current()->class_table();
+    const ClassHeapStats* stats = class_table->StatsWithUpdatedSize(id());
+    if (stats != NULL) {
+      JSONObject allocation_stats(&jsobj, "allocationStats");
+      stats->PrintToJSONObject(*this, &allocation_stats);
+    }
+  }
 }
 
 
 void Class::InsertCanonicalConstant(intptr_t index,
                                     const Instance& constant) const {
   // The constant needs to be added to the list. Grow the list if it is full.
   Array& canonical_list = Array::Handle(constants());
   const intptr_t list_len = canonical_list.Length();
   if (index >= list_len) {
     const intptr_t new_length = (list_len == 0) ? 4 : list_len + 4;
@@ skipping 14955 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart