Revert of Add accelerated video decoder interface, VP8 and H.264 implementations and hook up to V4L2SVDA

content/common/gpu/media/v4l2_video_device.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // This file defines the V4L2Device interface which is used by the
 // V4L2DecodeAccelerator class to delegate/pass the device specific
 // handling of any of the functionalities.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_V4L2_VIDEO_DEVICE_H_
 #define CONTENT_COMMON_GPU_MEDIA_V4L2_VIDEO_DEVICE_H_
 
-#include "base/memory/ref_counted.h"
 #include "media/base/video_decoder_config.h"
 #include "media/base/video_frame.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gl/gl_bindings.h"
 
 namespace content {
 
-class V4L2Device : public base::RefCountedThreadSafe<V4L2Device> {
+class V4L2Device {
  public:
   // Utility format conversion functions
   static media::VideoFrame::Format V4L2PixFmtToVideoFrameFormat(uint32 format);
   static uint32 VideoFrameFormatToV4L2PixFmt(media::VideoFrame::Format format);
-  static uint32 VideoCodecProfileToV4L2PixFmt(media::VideoCodecProfile profile,
-                                              bool slice_based);
+  static uint32 VideoCodecProfileToV4L2PixFmt(media::VideoCodecProfile profile);
   static uint32_t V4L2PixFmtToDrmFormat(uint32_t format);
   // Convert format requirements requested by a V4L2 device to gfx::Size.
   static gfx::Size CodedSizeFromV4L2Format(struct v4l2_format format);
 
+  virtual ~V4L2Device();
+
   enum Type {
     kDecoder,
     kEncoder,
     kImageProcessor,
   };
 
   // Creates and initializes an appropriate V4L2Device of |type| for the
   // current platform and returns a scoped_ptr<V4L2Device> on success, or NULL.
-  static scoped_refptr<V4L2Device> Create(Type type);
+  static scoped_ptr<V4L2Device> Create(Type type);
 
   // Parameters and return value are the same as for the standard ioctl() system
   // call.
   virtual int Ioctl(int request, void* arg) = 0;
 
   // This method sleeps until either:
   // - SetDevicePollInterrupt() is called (on another thread),
   // - |poll_device| is true, and there is new data to be read from the device,
   //   or an event from the device has arrived; in the latter case
   //   |*event_pending| will be set to true.
@@ skipping 41 matching lines @@
 
   // Destroys the EGLImageKHR.
   virtual EGLBoolean DestroyEGLImage(EGLDisplay egl_display,
                                      EGLImageKHR egl_image) = 0;
 
   // Returns the supported texture target for the V4L2Device.
   virtual GLenum GetTextureTarget() = 0;
 
   // Returns the preferred V4L2 input format or 0 if don't care.
   virtual uint32 PreferredInputFormat() = 0;
-
- protected:
-  friend class base::RefCountedThreadSafe<V4L2Device>;
-  virtual ~V4L2Device();
 };
 
 }  //  namespace content
 
 #endif  //  CONTENT_COMMON_GPU_MEDIA_V4L2_VIDEO_DEVICE_H_