- Fix for issue 25950 (add registration of a thread exit callback)

runtime/vm/timeline.cc

 // Copyright (c) 2015, 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 <cstdlib>
 
 #include "vm/atomic.h"
 #include "vm/isolate.h"
 #include "vm/json_stream.h"
 #include "vm/lockers.h"
@@ skipping 975 matching lines @@
   }
 #endif  // defined(DEBUG)
   thread_block_lock->Unlock();
 }
 
 
 void TimelineEventRecorder::WriteTo(const char* directory) {
   if (!FLAG_support_service) {
     return;
   }
-  Dart_FileOpenCallback file_open = Isolate::file_open_callback();
-  Dart_FileWriteCallback file_write = Isolate::file_write_callback();
-  Dart_FileCloseCallback file_close = Isolate::file_close_callback();
+  Dart_FileOpenCallback file_open = Dart::file_open_callback();
+  Dart_FileWriteCallback file_write = Dart::file_write_callback();
+  Dart_FileCloseCallback file_close = Dart::file_close_callback();
   if ((file_open == NULL) || (file_write == NULL) || (file_close == NULL)) {
     return;
   }
   Thread* T = Thread::Current();
   StackZone zone(T);
 
   Timeline::ReclaimCachedBlocksFromThreads();
 
   intptr_t pid = OS::ProcessId();
   char* filename = OS::SCreate(NULL,
@@ skipping 495 matching lines @@
 TimelineEventBlock* TimelineEventBlockIterator::Next() {
   ASSERT(current_ != NULL);
   TimelineEventBlock* r = current_;
   current_ = current_->next();
   return r;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart