Revert 226264 "Be able to build cast_unittest and related target..."

trunk/src/media/cast/video_sender/video_encoder.h

Index: trunk/src/media/cast/video_sender/video_encoder.h
===================================================================
--- trunk/src/media/cast/video_sender/video_encoder.h	(revision 226266)
+++ trunk/src/media/cast/video_sender/video_encoder.h	(working copy)
@@ -27,6 +27,8 @@
                const VideoSenderConfig& video_config,
                uint8 max_unacked_frames);
 
+  virtual ~VideoEncoder();
+
   // Called from the main cast thread. This function post the encode task to the
   // video encoder thread;
   // The video_frame must be valid until the closure callback is called.
@@ -40,8 +42,6 @@
                         const base::Closure frame_release_callback);
 
  protected:
-  virtual ~VideoEncoder();
-
   struct CodecDynamicConfig {
     bool key_frame_requested;
     uint8 latest_frame_id_to_reference;
@@ -64,8 +64,6 @@
   virtual int NumberOfSkippedFrames() const OVERRIDE;
 
  private:
-  friend class base::RefCountedThreadSafe<VideoEncoder>;
-
   const VideoSenderConfig video_config_;
   scoped_refptr<CastThread> cast_thread_;
   scoped_ptr<Vp8Encoder> vp8_encoder_;