Add API to set thread name

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 1158 matching lines @@
 }
 
 
 void TimelineEventFixedBufferRecorder::PrintTraceEvent(
     JSONStream* js,
     TimelineEventFilter* filter) {
   if (!FLAG_support_service) {
     return;
   }
   JSONArray events(js);
+  PrintJSONMeta(&events);
   PrintJSONEvents(&events, filter);
 }
 
 
 TimelineEventBlock* TimelineEventFixedBufferRecorder::GetHeadBlockLocked() {
   return blocks_[0];
 }
 
 
 void TimelineEventFixedBufferRecorder::Clear() {
@@ skipping 125 matching lines @@
 }
 
 
 void TimelineEventEndlessRecorder::PrintTraceEvent(
     JSONStream* js,
     TimelineEventFilter* filter) {
   if (!FLAG_support_service) {
     return;
   }
   JSONArray events(js);
+  PrintJSONMeta(&events);
   PrintJSONEvents(&events, filter);
 }
 
 
 TimelineEventBlock* TimelineEventEndlessRecorder::GetHeadBlockLocked() {
   return head_;
 }
 
 
 TimelineEvent* TimelineEventEndlessRecorder::StartEvent() {
@@ skipping 219 matching lines @@
 TimelineEventBlock* TimelineEventBlockIterator::Next() {
   ASSERT(current_ != NULL);
   TimelineEventBlock* r = current_;
   current_ = current_->next();
   return r;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart