Vp9 decoder mft support for AMD apu/gpu

content/public/browser/gpu_utils.cc

Index: content/public/browser/gpu_utils.cc
diff --git a/content/public/browser/gpu_utils.cc b/content/public/browser/gpu_utils.cc
index 69acbbff2bc239b929a519e7d338541de25a6cf8..28d8c412e814fd9ffffd8a2c744a5651ce9ba54b 100644
--- a/content/public/browser/gpu_utils.cc
+++ b/content/public/browser/gpu_utils.cc
@@ -48,8 +48,14 @@ const gpu::GpuPreferences GetGpuPreferencesFromCommandLine() {
       command_line->HasSwitch(switches::kDisableWebRtcHWEncoding);
 #endif
 #if defined(OS_WIN)
-  gpu_preferences.enable_accelerated_vpx_decode =
-      command_line->HasSwitch(switches::kEnableAcceleratedVpxDecode);
+  uint32_t enable_accelerated_vpx_decode_val =
+      gpu::GpuPreferences::VPX_VENDOR_NONE;
+  if (GetUintFromSwitch(command_line, switches::kEnableAcceleratedVpxDecode,
+                        &enable_accelerated_vpx_decode_val)) {
+    gpu_preferences.enable_accelerated_vpx_decode =
+        static_cast<gpu::GpuPreferences::VpxDecodeVendors>(
+            enable_accelerated_vpx_decode_val);
+  }
   gpu_preferences.enable_zero_copy_dxgi_video =
       command_line->HasSwitch(switches::kEnableZeroCopyDxgiVideo);
   gpu_preferences.enable_nv12_dxgi_video =