Revert of Support multiple video decoders and encoders

content/common/gpu/media/v4l2_image_processor.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.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_V4L2_VIDEO_PROCESSOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_V4L2_VIDEO_PROCESSOR_H_
 
 #include <queue>
 #include <vector>
 
@@ skipping 40 matching lines @@
   void Process(const scoped_refptr<media::VideoFrame>& frame,
                const FrameReadyCB& cb);
 
   // Stop all processing and clean up.
   void Destroy();
 
  private:
   // Record for input buffers.
   struct InputRecord {
     InputRecord();
-    ~InputRecord();
     scoped_refptr<media::VideoFrame> frame;
     bool at_device;
   };
 
   // Record for output buffers.
   struct OutputRecord {
     OutputRecord();
-    ~OutputRecord();
     bool at_device;
     bool at_client;
     std::vector<int> fds;
   };
 
   // Job record. Jobs are processed in a FIFO order. This is separate from
   // InputRecord, because an InputRecord may be returned before we dequeue
   // the corresponding output buffer. It can't always be associated with
   // an OutputRecord immediately either, because at the time of submission we
   // may not have one available (and don't need one to submit input to the
   // device).
   struct JobRecord {
     JobRecord();
-    ~JobRecord();
     scoped_refptr<media::VideoFrame> frame;
     FrameReadyCB ready_cb;
   };
 
   enum {
     // Arbitrarily tuned.
     kInputBufferCount = 2,
     kOutputBufferCount = 2,
   };
 
@@ skipping 77 matching lines @@
 
   // Weak factory for producing weak pointers on the device_thread_
   base::WeakPtrFactory<V4L2ImageProcessor> device_weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(V4L2ImageProcessor);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_V4L2_VIDEO_PROCESSOR_H_