Split profiler.cc into profiler.cc and profiler_service.cc

runtime/vm/profiler_service.h

+// 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.
+
+#ifndef VM_PROFILER_SERVICE_H_
+#define VM_PROFILER_SERVICE_H_
+
+#include "vm/allocation.h"
+#include "vm/code_observers.h"
+#include "vm/globals.h"
+#include "vm/tags.h"
+#include "vm/thread_interrupter.h"
+
+// Profile VM Service.
+// NOTE: For sampling and stack walking related code, see profiler.h.
+
+namespace dart {
+
+// Forward declarations.
+class JSONArray;
+class JSONStream;
+class ProfilerCodeRegionTable;
+
+class ProfilerService : public AllStatic {
+ public:
+  enum TagOrder {
+    kNoTags,
+    kUser,
+    kUserVM,
+    kVM,
+    kVMUser
+  };
+
+  static void PrintJSON(JSONStream* stream,
+                        TagOrder tag_order);
+};
+
+}  // namespace dart
+
+#endif  // VM_PROFILER_SERVICE_H_