Enable allocation tracing for classes owned by vm isolate

runtime/vm/class_table.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/class_table.h"
 #include "vm/flags.h"
 #include "vm/freelist.h"
 #include "vm/growable_array.h"
 #include "vm/heap.h"
 #include "vm/object.h"
@@ skipping 64 matching lines @@
 }
 
 
 void ClassTable::FreeOldTables() {
   while (old_tables_->length() > 0) {
     free(old_tables_->RemoveLast());
   }
 }
 
 
-void ClassTable::TraceAllocationsFor(intptr_t cid, bool trace) {
+void ClassTable::SetTraceAllocationFor(intptr_t cid, bool trace) {
   ClassHeapStats* stats = PreliminaryStatsAt(cid);
   stats->set_trace_allocation(trace);
 }
 
 
+bool ClassTable::TraceAllocationFor(intptr_t cid) {
+  ClassHeapStats* stats = PreliminaryStatsAt(cid);
+  return stats->trace_allocation();
+}
+
+
 void ClassTable::Register(const Class& cls) {
   intptr_t index = cls.id();
   if (index != kIllegalCid) {
     ASSERT(index > 0);
     ASSERT(index < kNumPredefinedCids);
     ASSERT(table_[index] == 0);
     ASSERT(index < capacity_);
     table_[index] = cls.raw();
     // Add the vtable for this predefined class into the static vtable registry
     // if it has not been setup yet.
@@ skipping 423 matching lines @@
 
 void ClassTable::UpdateLiveNew(intptr_t cid, intptr_t size) {
   ClassHeapStats* stats = PreliminaryStatsAt(cid);
   ASSERT(stats != NULL);
   ASSERT(size >= 0);
   stats->post_gc.AddNew(size);
 }
 
 
 }  // namespace dart