Add Observatory to sky dart_controller

sky/engine/bindings/builtin_natives.h

Index: sky/engine/bindings/builtin_natives.h
diff --git a/sky/engine/bindings/builtin_natives.h b/sky/engine/bindings/builtin_natives.h
index a08fc193214e1240edbbb4b8759f53acfcdf736d..b063891c7ab993af18e4a12a6bb640139d151b9d 100644
--- a/sky/engine/bindings/builtin_natives.h
+++ b/sky/engine/bindings/builtin_natives.h
@@ -17,7 +17,7 @@ class BuiltinNatives {
                                           bool* auto_setup_scope);
   static const uint8_t* NativeSymbol(Dart_NativeFunction native_function);
 
-  static void Init();
+  static void Init(bool dom_isolate);

[eseidel, 2015/04/27 17:38:37]

Init(false) tends to be hard to read.  In Blink we encouraged always using enums
instead of bools for arguments, so this would be:

enum IsolateType {
   MainIsolate,
   DartIOIsolate,
};

Init(MainIsolate);

[Cutch, 2015/05/05 22:07:23]

Done.

 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(BuiltinNatives);