Make VDA::Config's converting constructor explicit

media/gpu/video_decode_accelerator_unittest.cc

Index: media/gpu/video_decode_accelerator_unittest.cc
diff --git a/media/gpu/video_decode_accelerator_unittest.cc b/media/gpu/video_decode_accelerator_unittest.cc
index 522e61cd3388c25fee117fae90aadf59ee4fb846..991394b37ace2c5fa050def69f3da60a6d9f33f3 100644
--- a/media/gpu/video_decode_accelerator_unittest.cc
+++ b/media/gpu/video_decode_accelerator_unittest.cc
@@ -647,10 +647,12 @@ void GLRenderingVDAClient::CreateAndStartDecoder() {
   LOG_ASSERT(decoder_deleted());
   LOG_ASSERT(!decoder_.get());
 
+  VideoDecodeAccelerator::Config config(profile_);
+
   if (fake_decoder_) {
     decoder_.reset(new FakeVideoDecodeAccelerator(
         frame_size_, base::Bind(&DoNothingReturnTrue)));
-    LOG_ASSERT(decoder_->Initialize(profile_, this));
+    LOG_ASSERT(decoder_->Initialize(config, this));
   } else {
     if (!vda_factory_) {
       vda_factory_ = GpuVideoDecodeAcceleratorFactory::Create(
@@ -660,7 +662,6 @@ void GLRenderingVDAClient::CreateAndStartDecoder() {
       LOG_ASSERT(vda_factory_);
     }
 
-    VideoDecodeAccelerator::Config config(profile_);
     if (g_test_import) {
       config.output_mode = VideoDecodeAccelerator::Config::OutputMode::IMPORT;
     }