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

chrome/gpu/arc_gpu_video_decode_accelerator.cc

Index: chrome/gpu/arc_gpu_video_decode_accelerator.cc
diff --git a/chrome/gpu/arc_gpu_video_decode_accelerator.cc b/chrome/gpu/arc_gpu_video_decode_accelerator.cc
index 3ede55e9a53fba52d23b93de39af6cffecfb9f8d..2766cf1e72a9c643937f3dd405d210f42bcae271 100644
--- a/chrome/gpu/arc_gpu_video_decode_accelerator.cc
+++ b/chrome/gpu/arc_gpu_video_decode_accelerator.cc
@@ -304,7 +304,6 @@
 
 void ArcGpuVideoDecodeAccelerator::ProvidePictureBuffers(
     uint32_t requested_num_of_buffers,
-    media::VideoPixelFormat output_pixel_format,
     uint32_t textures_per_buffer,
     const gfx::Size& dimensions,
     uint32_t texture_target) {
@@ -313,12 +312,7 @@
            << ", dimensions=" << dimensions.ToString() << ")";
   DCHECK(thread_checker_.CalledOnValidThread());
   coded_size_ = dimensions;
-  if ((output_pixel_format_ != media::PIXEL_FORMAT_UNKNOWN) &&
-      (output_pixel_format_ != output_pixel_format)) {
-    arc_client_->OnError(PLATFORM_FAILURE);
-    return;
-  }
-  output_pixel_format_ = output_pixel_format;
+  output_pixel_format_ = vda_->GetOutputFormat();
 
   VideoFormat video_format;
   switch (output_pixel_format_) {