thread isolate for files starting with 'b' and 'c'

src/counters.cc

 // Copyright 2012 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 23 matching lines @@
 namespace v8 {
 namespace internal {
 
 StatsTable::StatsTable()
     : lookup_function_(NULL),
       create_histogram_function_(NULL),
       add_histogram_sample_function_(NULL) {}
 
 
 int* StatsCounter::FindLocationInStatsTable() const {
-  return Isolate::Current()->stats_table()->FindLocation(name_);
+  return isolate_->stats_table()->FindLocation(name_);
 }
 
 
 void Histogram::AddSample(int sample) {
   if (Enabled()) {
     isolate()->stats_table()->AddHistogramSample(histogram_, sample);
   }
 }
 
 void* Histogram::CreateHistogram() const {
@@ skipping 19 matching lines @@
     // Compute the delta between start and stop, in milliseconds.
     AddSample(static_cast<int>(timer_.Elapsed().InMilliseconds()));
     timer_.Stop();
   }
   if (FLAG_log_internal_timer_events) {
     LOG(isolate(), TimerEvent(Logger::END, name()));
   }
 }
 
 } }  // namespace v8::internal