Revert of Add mojo interface+impl creation of audio streams.

content/browser/BUILD.gn

Index: content/browser/BUILD.gn
diff --git a/content/browser/BUILD.gn b/content/browser/BUILD.gn
index 950d89fb61fa3976d421133127b94b24e299c01e..f366870f54ad4045d2288350f910677d273da0e4 100644
--- a/content/browser/BUILD.gn
+++ b/content/browser/BUILD.gn
@@ -91,7 +91,6 @@
     "//media/midi",
     "//media/midi:mojo",
     "//media/mojo/interfaces",
-    "//media/mojo/services",
     "//mojo/common",
     "//mojo/edk/system",
     "//mojo/public/cpp/bindings",
@@ -1168,11 +1167,6 @@
     "renderer_host/media/media_stream_track_metrics_host.h",
     "renderer_host/media/media_stream_ui_proxy.cc",
     "renderer_host/media/media_stream_ui_proxy.h",
-    "renderer_host/media/render_frame_audio_output_stream_factory.cc",
-    "renderer_host/media/render_frame_audio_output_stream_factory.h",
-    "renderer_host/media/renderer_audio_output_stream_factory_context.h",
-    "renderer_host/media/renderer_audio_output_stream_factory_context_impl.cc",
-    "renderer_host/media/renderer_audio_output_stream_factory_context_impl.h",
     "renderer_host/media/video_capture_controller.cc",
     "renderer_host/media/video_capture_controller.h",
     "renderer_host/media/video_capture_controller_event_handler.h",
@@ -1914,6 +1908,10 @@
     ]
   }
 
+  if (enable_mojo_media) {
+    deps += [ "//media/mojo/interfaces" ]
+  }
+
   if (use_aura) {
     deps += [
       "//services/ui/public/cpp",