Revert of Plumb decoded video pixel format from GPU process to renderer.

media/gpu/v4l2_video_decode_accelerator.cc

Index: media/gpu/v4l2_video_decode_accelerator.cc
diff --git a/media/gpu/v4l2_video_decode_accelerator.cc b/media/gpu/v4l2_video_decode_accelerator.cc
index 19ea4ad445008bb93445411aca8085a6dcc3aaf8..410cd6ca536ad30038c3f43510b2c9455b852114 100644
--- a/media/gpu/v4l2_video_decode_accelerator.cc
+++ b/media/gpu/v4l2_video_decode_accelerator.cc
@@ -517,6 +517,10 @@
   decode_client_ = decode_client_;
   decode_task_runner_ = decode_task_runner;
   return true;
+}
+
+media::VideoPixelFormat V4L2VideoDecodeAccelerator::GetOutputFormat() const {
+  return V4L2Device::V4L2PixFmtToVideoPixelFormat(egl_image_format_fourcc_);
 }
 
 // static
@@ -2032,15 +2036,10 @@
   DVLOG(3) << "CreateOutputBuffers(): ProvidePictureBuffers(): "
            << "buffer_count=" << buffer_count
            << ", coded_size=" << egl_image_size_.ToString();
-
-  DCHECK(egl_image_format_fourcc_);
-  VideoPixelFormat pixel_format =
-      V4L2Device::V4L2PixFmtToVideoPixelFormat(egl_image_format_fourcc_);
-
   child_task_runner_->PostTask(
-      FROM_HERE, base::Bind(&Client::ProvidePictureBuffers, client_,
-                            buffer_count, pixel_format, 1, egl_image_size_,
-                            device_->GetTextureTarget()));
+      FROM_HERE,
+      base::Bind(&Client::ProvidePictureBuffers, client_, buffer_count, 1,
+                 egl_image_size_, device_->GetTextureTarget()));
 
   // Wait for the client to call AssignPictureBuffers() on the Child thread.
   // We do this, because if we continue decoding without finishing buffer