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

trunk/src/media/cast/video_sender/video_encoder_unittest.cc

Index: trunk/src/media/cast/video_sender/video_encoder_unittest.cc
===================================================================
--- trunk/src/media/cast/video_sender/video_encoder_unittest.cc	(revision 226266)
+++ trunk/src/media/cast/video_sender/video_encoder_unittest.cc	(working copy)
@@ -46,12 +46,7 @@
     EXPECT_EQ(expected_capture_time_, capture_time);
   }
 
- protected:
-  virtual ~TestVideoEncoderCallback() {}
-
  private:
-  friend class base::RefCountedThreadSafe<TestVideoEncoderCallback>;
-
   bool expected_key_frame_;
   uint8 expected_frame_id_;
   uint8 expected_last_referenced_frame_id_;
@@ -90,7 +85,7 @@
     video_frame_.v_plane.data = &(pixels_[0]);
   }
 
-  virtual ~VideoEncoderTest() {}
+  ~VideoEncoderTest() {}
 
   virtual void SetUp() {
     task_runner_ = new test::FakeTaskRunner(&testing_clock_);