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

runtime/vm/class_table.h

 // 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.
 
 #ifndef VM_CLASS_TABLE_H_
 #define VM_CLASS_TABLE_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 
@@ skipping 79 matching lines @@
   static intptr_t allocated_size_since_gc_old_space_offset() {
     return OFFSET_OF(ClassHeapStats, recent) +
            OFFSET_OF(AllocStats<intptr_t>, old_size);
   }
 
   void Initialize();
   void ResetAtNewGC();
   void ResetAtOldGC();
   void ResetAccumulator();
   void UpdateSize(intptr_t instance_size);
-  void PrintTOJSONArray(const Class& cls, JSONArray* array);
+  void PrintToJSONObject(const Class& cls, JSONObject* obj) const;
 };
 
 
 class ClassTable {
  public:
   ClassTable();
   ~ClassTable();
 
   RawClass* At(intptr_t index) const {
     ASSERT(IsValidIndex(index));
@@ skipping 39 matching lines @@
   // Used by the generated code.
   uword PredefinedClassHeapStatsTableAddress() {
     return reinterpret_cast<uword>(predefined_class_heap_stats_table_);
   }
 
   // Used by generated code.
   uword ClassStatsTableAddress() {
     return reinterpret_cast<uword>(&class_heap_stats_table_);
   }
 
+  ClassHeapStats* StatsWithUpdatedSize(intptr_t cid);
 
   void AllocationProfilePrintJSON(JSONStream* stream);
   void ResetAllocationAccumulators();
 
  private:
   friend class MarkingVisitor;
   friend class ScavengerVisitor;
   friend class ClassHeapStatsTestHelper;
   static const int initial_capacity_ = 512;
   static const int capacity_increment_ = 256;
 
   static bool ShouldUpdateSizeForClassId(intptr_t cid);
 
   intptr_t top_;
   intptr_t capacity_;
 
   RawClass** table_;
   ClassHeapStats* class_heap_stats_table_;
 
   ClassHeapStats* predefined_class_heap_stats_table_;
 
-  ClassHeapStats* StatsAt(intptr_t cid);
+  // May not have updated size for variable size classes.
+  ClassHeapStats* PreliminaryStatsAt(intptr_t cid);
   void UpdateLiveOld(intptr_t cid, intptr_t size);
   void UpdateLiveNew(intptr_t cid, intptr_t size);
 
   DISALLOW_COPY_AND_ASSIGN(ClassTable);
 };
 
 }  // namespace dart
 
 #endif  // VM_CLASS_TABLE_H_