Revert hardware decoder changes causing ChromeOS HW test crash.

content/common/gpu/media/v4l2_video_device.cc

Index: content/common/gpu/media/v4l2_video_device.cc
diff --git a/content/common/gpu/media/v4l2_video_device.cc b/content/common/gpu/media/v4l2_video_device.cc
index 801932d1753eb9ba7ef2ad60c2be54592bb5f3dc..a13169353ee103843c6d34604cee857433e2ef51 100644
--- a/content/common/gpu/media/v4l2_video_device.cc
+++ b/content/common/gpu/media/v4l2_video_device.cc
@@ -2,16 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include <libdrm/drm_fourcc.h>
 #include <linux/videodev2.h>
 
 #include "base/numerics/safe_conversions.h"
 #include "content/common/gpu/media/generic_v4l2_video_device.h"
 #include "content/common/gpu/media/tegra_v4l2_video_device.h"
 
-// TODO(posciak): remove this once V4L2 headers are updated.
-#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0')
-
 namespace content {
 
 V4L2Device::~V4L2Device() {}
@@ -44,9 +40,6 @@ media::VideoFrame::Format V4L2Device::V4L2PixFmtToVideoFrameFormat(
     case V4L2_PIX_FMT_YUV420M:
       return media::VideoFrame::I420;
 
-    case V4L2_PIX_FMT_RGB32:
-      return media::VideoFrame::ARGB;
-
     default:
       LOG(FATAL) << "Add more cases as needed";
       return media::VideoFrame::UNKNOWN;
@@ -78,9 +71,6 @@ uint32 V4L2Device::VideoCodecProfileToV4L2PixFmt(
   } else if (profile >= media::VP8PROFILE_MIN &&
              profile <= media::VP8PROFILE_MAX) {
     return V4L2_PIX_FMT_VP8;
-  } else if (profile >= media::VP9PROFILE_MIN &&
-             profile <= media::VP9PROFILE_MAX) {
-    return V4L2_PIX_FMT_VP9;
   } else {
     LOG(FATAL) << "Add more cases as needed";
     return 0;
@@ -88,26 +78,6 @@ uint32 V4L2Device::VideoCodecProfileToV4L2PixFmt(
 }
 
 // static
-uint32_t V4L2Device::V4L2PixFmtToDrmFormat(uint32_t format) {
-  switch (format) {
-    case V4L2_PIX_FMT_NV12:
-    case V4L2_PIX_FMT_NV12M:
-      return DRM_FORMAT_NV12;
-
-    case V4L2_PIX_FMT_YUV420:
-    case V4L2_PIX_FMT_YUV420M:
-      return DRM_FORMAT_YUV420;
-
-    case V4L2_PIX_FMT_RGB32:
-      return DRM_FORMAT_ARGB8888;
-
-    default:
-      LOG(FATAL) << "Add more cases as needed";
-      return 0;
-  }
-}
-
-// static
 gfx::Size V4L2Device::CodedSizeFromV4L2Format(struct v4l2_format format) {
   gfx::Size coded_size;
   gfx::Size visible_size;