Add accelerated_vpx_decode GPU blacklist feature type.

gpu/config/gpu_blacklist.cc

Index: gpu/config/gpu_blacklist.cc
diff --git a/gpu/config/gpu_blacklist.cc b/gpu/config/gpu_blacklist.cc
index a359123538dd0c9c47501daf2eae7415ecef5454..0422fd973f4552fec2b338a7f0d38d57af371ae3 100644
--- a/gpu/config/gpu_blacklist.cc
+++ b/gpu/config/gpu_blacklist.cc
@@ -38,6 +38,8 @@ GpuBlacklist* GpuBlacklist::Create() {
                             GPU_FEATURE_TYPE_PANEL_FITTING);
   list->AddSupportedFeature("gpu_rasterization",
                             GPU_FEATURE_TYPE_GPU_RASTERIZATION);
+  list->AddSupportedFeature("accelerated_vpx_decode",
+                            GPU_FEATURE_TYPE_ACCELERATED_VPX_DECODE);
   list->set_supports_feature_type_all(true);
   return list;
 }