Deprecate 'dart:profiler' and move functionality to 'dart:developer'

runtime/lib/profiler.cc

 // Copyright (c) 2014, 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/bootstrap_natives.h"
 
 #include "include/dart_api.h"
 
 #include "vm/exceptions.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 
 namespace dart {
 
 DECLARE_FLAG(bool, trace_intrinsified_natives);
 
-// dart:profiler.
+// Native implementations of the profiler parts of the dart:developer library.
 
 DEFINE_NATIVE_ENTRY(UserTag_new, 2) {
   ASSERT(TypeArguments::CheckedHandle(arguments->NativeArgAt(0)).IsNull());
   GET_NON_NULL_NATIVE_ARGUMENT(String, tag_label, arguments->NativeArgAt(1));
   return UserTag::New(tag_label);
 }
 
 
 DEFINE_NATIVE_ENTRY(UserTag_label, 1) {
   const UserTag& self = UserTag::CheckedHandle(arguments->NativeArgAt(0));
@@ skipping 22 matching lines @@
 
 DEFINE_NATIVE_ENTRY(Profiler_getCurrentTag, 0) {
   if (FLAG_trace_intrinsified_natives) {
     OS::Print("Profiler_getCurrentTag\n");
   }
   return isolate->current_tag();
 }
 
 
 }  // namespace dart