Revert of Disable NV12 texture sharing with VP9 hardware video decoding.

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 c5ec2b7d164c59925c761ccc2a45acaf117980fb..280f681b827c1918a18ceb80ef8963c49c09fff1 100644
--- a/media/gpu/dxva_video_decode_accelerator_win.cc
+++ b/media/gpu/dxva_video_decode_accelerator_win.cc
@@ -1412,12 +1412,6 @@
     share_nv12_textures_ = false;
     copy_nv12_textures_ = false;
   }
-
-  // The MS VP9 MFT doesn't pass through the bind flags we specify, so
-  // textures aren't created with D3D11_BIND_SHADER_RESOURCE and can't be used
-  // from ANGLE.
-  if (using_ms_vp9_mft_)
-    share_nv12_textures_ = false;
 
   return true;
 }