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

media/gpu/dxva_video_decode_accelerator_win.cc

Index: media/gpu/dxva_video_decode_accelerator_win.cc
diff --git a/media/gpu/dxva_video_decode_accelerator_win.cc b/media/gpu/dxva_video_decode_accelerator_win.cc
index 7a5b49ac299ade868add2bbbf5cc1a324fe8fd24..01ac4d322579dccd3d97728f162be5bf83d6d463 100644
--- a/media/gpu/dxva_video_decode_accelerator_win.cc
+++ b/media/gpu/dxva_video_decode_accelerator_win.cc
@@ -1881,9 +1881,8 @@
     // They're shared to ANGLE using EGL_NV_stream_consumer_gltexture_yuv, so
     // they need to be GL_TEXTURE_EXTERNAL_OES.
     client_->ProvidePictureBuffers(
-        kNumPictureBuffers,
-        share_nv12_textures_ ? PIXEL_FORMAT_NV12 : PIXEL_FORMAT_UNKNOWN,
-        share_nv12_textures_ ? 2 : 1, gfx::Size(width, height),
+        kNumPictureBuffers, share_nv12_textures_ ? 2 : 1,
+        gfx::Size(width, height),
         share_nv12_textures_ ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D);
   }
 }