Revert of Generalize V4L2 HW video codec device names

content/common/gpu/media/exynos_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 contains the implementation of ExynosV4L2Device used on
+// Exynos platform.
+
+#ifndef CONTENT_COMMON_GPU_MEDIA_EXYNOS_V4L2_VIDEO_DEVICE_H_
+#define CONTENT_COMMON_GPU_MEDIA_EXYNOS_V4L2_VIDEO_DEVICE_H_
+
+#include "content/common/gpu/media/v4l2_video_device.h"
+
+namespace content {
+
+class ExynosV4L2Device : public V4L2Device {
+ public:
+  explicit ExynosV4L2Device(Type type);
+  virtual ~ExynosV4L2Device();
+
+  // V4L2Device implementation.
+  virtual int Ioctl(int request, void* arg) override;
+  virtual bool Poll(bool poll_device, bool* event_pending) override;
+  virtual bool SetDevicePollInterrupt() override;
+  virtual bool ClearDevicePollInterrupt() override;
+  virtual void* Mmap(void* addr,
+                     unsigned int len,
+                     int prot,
+                     int flags,
+                     unsigned int offset) override;
+  virtual void Munmap(void* addr, unsigned int len) override;
+  virtual bool Initialize() override;
+  virtual EGLImageKHR CreateEGLImage(EGLDisplay egl_display,
+                                     EGLContext egl_context,
+                                     GLuint texture_id,
+                                     gfx::Size frame_buffer_size,
+                                     unsigned int buffer_index,
+                                     size_t planes_count) override;
+  virtual EGLBoolean DestroyEGLImage(EGLDisplay egl_display,
+                                     EGLImageKHR egl_image) override;
+  virtual GLenum GetTextureTarget() override;
+  virtual uint32 PreferredInputFormat() override;
+  virtual uint32 PreferredOutputFormat() override;
+
+ private:
+  const Type type_;
+
+  // The actual device fd.
+  int device_fd_;
+
+  // eventfd fd to signal device poll thread when its poll() should be
+  // interrupted.
+  int device_poll_interrupt_fd_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExynosV4L2Device);
+};
+}  //  namespace content
+
+#endif  // CONTENT_COMMON_GPU_MEDIA_EXYNOS_V4L2_VIDEO_DEVICE_H_