Make VDA::Config's converting constructor explicit

media/gpu/video_decode_accelerator_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // The bulk of this file is support code; sorry about that.  Here's an overview
 // to hopefully help readers of this code:
 // - RenderingHelper is charged with interacting with X11/{EGL/GLES2,GLX/GL} or
 //   Win/EGL.
 // - ClientState is an enum for the state of the decode client used by the test.
 // - ClientStateNotification is a barrier abstraction that allows the test code
@@ skipping 629 matching lines @@
 GLRenderingVDAClient::~GLRenderingVDAClient() {
   DeleteDecoder();  // Clean up in case of expected error.
   LOG_ASSERT(decoder_deleted());
   SetState(CS_DESTROYED);
 }
 
 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(
           base::Bind(&RenderingHelper::GetGLContext,
                      base::Unretained(rendering_helper_)),
           base::Bind(&DoNothingReturnTrue), base::Bind(&DummyBindImage));
       LOG_ASSERT(vda_factory_);
     }
 
-    VideoDecodeAccelerator::Config config(profile_);
     if (g_test_import) {
       config.output_mode = VideoDecodeAccelerator::Config::OutputMode::IMPORT;
     }
     gpu::GpuDriverBugWorkarounds workarounds;
     gpu::GpuPreferences gpu_preferences;
     decoder_ =
         vda_factory_->CreateVDA(this, config, workarounds, gpu_preferences);
   }
 
   LOG_ASSERT(decoder_) << "Failed creating a VDA";
@@ skipping 1243 matching lines @@
       media::g_thumbnail_output_dir = base::FilePath(it->second.c_str());
     }
   }
 
   base::ShadowingAtExitManager at_exit_manager;
 
   return base::LaunchUnitTestsSerially(
       argc, argv,
       base::Bind(&media::VDATestSuite::Run, base::Unretained(&test_suite)));
 }