Revert of Rotate frames correctly for back camera

media/capture/video/linux/video_capture_device_chromeos.h

Index: media/capture/video/linux/video_capture_device_chromeos.h
diff --git a/media/capture/video/linux/video_capture_device_chromeos.h b/media/capture/video/linux/video_capture_device_chromeos.h
index 8a08c981c2aefa0b50f6dbe53a848aaa2df9ee51..cd33a5cda0ac270c90554aff0b3af1eace54ead4 100644
--- a/media/capture/video/linux/video_capture_device_chromeos.h
+++ b/media/capture/video/linux/video_capture_device_chromeos.h
@@ -6,7 +6,6 @@
 #define MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_CHROMEOS_H_
 
 #include "base/macros.h"
-#include "media/capture/video/linux/camera_facing_chromeos.h"
 #include "media/capture/video/linux/video_capture_device_linux.h"
 
 namespace display {
@@ -25,15 +24,11 @@
       const VideoCaptureDeviceDescriptor& device_descriptor);
   ~VideoCaptureDeviceChromeOS() override;
 
- protected:
-  void SetRotation(int rotation) override;
-
  private:
   class ScreenObserverDelegate;
 
   void SetDisplayRotation(const display::Display& display);
   scoped_refptr<ScreenObserverDelegate> screen_observer_delegate_;
-  const CameraFacingChromeOS::LensFacing lens_facing_;
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceChromeOS);
 };