Fixes -Wsometimes-uninitialized introduced in r70d2a00.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 5aead0f6ac08e24b1cd4912a879c6a01cc829075..62443c842da348ac7b9f57d7972f4a6248bd6140 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -2899,7 +2899,7 @@ blink::WebMediaPlayer* RenderFrameImpl::CreateMediaPlayer(
 #endif  // defined(OS_ANDROID)
 
   std::unique_ptr<media::RendererFactory> media_renderer_factory;
-  media::RendererFactorySelector::FactoryType factory_type;
+  auto factory_type = media::RendererFactorySelector::FactoryType::DEFAULT;
   if (use_fallback_path) {
 #if defined(OS_ANDROID)
     auto mojo_renderer_factory = base::MakeUnique<media::MojoRendererFactory>(
@@ -2913,13 +2913,8 @@ blink::WebMediaPlayer* RenderFrameImpl::CreateMediaPlayer(
                    render_thread->EnableStreamTextureCopy(),
                    render_thread->GetStreamTexureFactory(),
                    base::ThreadTaskRunnerHandle::Get()));
-#endif  // defined(OS_ANDROID)
-
-    // TODO(tguilbert): Move this line back into an #if defined(OS_ANDROID).
-    // This will never be reached, unless we are on Android. Moving this line
-    // outside of the #if/#endif block fixes a "sometimes-uninitialized" error
-    // on desktop. This will be fixed with the next CL for crbug.com/663503.
     factory_type = media::RendererFactorySelector::FactoryType::MEDIA_PLAYER;
+#endif  // defined(OS_ANDROID)
   } else {
 #if defined(ENABLE_MOJO_RENDERER)
 #if BUILDFLAG(ENABLE_RUNTIME_MEDIA_RENDERER_SELECTION)