Cast: Make castv2 mirroring performance test run again

media/cast/cast_environment.h

Index: media/cast/cast_environment.h
diff --git a/media/cast/cast_environment.h b/media/cast/cast_environment.h
index e9d1eb4bc9bf7c5e2ea8b97ea7a4d1bf5f2f1327..1549747ee2237631256bf870ea3e382254e4fca3 100644
--- a/media/cast/cast_environment.h
+++ b/media/cast/cast_environment.h
@@ -79,13 +79,12 @@ class CastEnvironment : public base::RefCountedThreadSafe<CastEnvironment> {
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_proxy_;
   scoped_refptr<base::SingleThreadTaskRunner> audio_thread_proxy_;
   scoped_refptr<base::SingleThreadTaskRunner> video_thread_proxy_;
+  scoped_ptr<base::TickClock> clock_;
+  scoped_ptr<LoggingImpl> logging_;
 
  private:
   friend class base::RefCountedThreadSafe<CastEnvironment>;
 
-  scoped_ptr<base::TickClock> clock_;
-  scoped_ptr<LoggingImpl> logging_;
-
   DISALLOW_COPY_AND_ASSIGN(CastEnvironment);
 };