Add RendererFactorySelector

media/blink/webmediaplayer_impl_unittest.cc

Index: media/blink/webmediaplayer_impl_unittest.cc
diff --git a/media/blink/webmediaplayer_impl_unittest.cc b/media/blink/webmediaplayer_impl_unittest.cc
index 0d4e6f87e5afbe066c5e73f6a562803e78337fa5..e6e5200d9e9334b75a7662eebc9bf051b83391e8 100644
--- a/media/blink/webmediaplayer_impl_unittest.cc
+++ b/media/blink/webmediaplayer_impl_unittest.cc
@@ -211,11 +211,17 @@ class WebMediaPlayerImplTest : public testing::Test {
   }
 
   void InitializeWebMediaPlayerImpl(bool allow_suspend) {
+    auto factory_selector = base::MakeUnique<RendererFactorySelector>();
+    factory_selector->AddFactory(
+        RendererFactorySelector::FactoryType::DEFAULT,
+        base::MakeUnique<DefaultRendererFactory>(
+            media_log_, nullptr, DefaultRendererFactory::GetGpuFactoriesCB()));
+    factory_selector->SetBaseFactoryType(
+        RendererFactorySelector::FactoryType::DEFAULT);
+
     wmpi_ = base::MakeUnique<WebMediaPlayerImpl>(
         web_local_frame_, &client_, nullptr, &delegate_,
-        base::MakeUnique<DefaultRendererFactory>(
-            media_log_, nullptr, DefaultRendererFactory::GetGpuFactoriesCB()),
-        url_index_,
+        std::move(factory_selector), url_index_,
         WebMediaPlayerParams(
             WebMediaPlayerParams::DeferLoadCB(),
             scoped_refptr<SwitchableAudioRendererSink>(), media_log_,