Introduce media::RendererFactory interface.

media/blink/webmediaplayer_params.cc

Index: media/blink/webmediaplayer_params.cc
diff --git a/media/blink/webmediaplayer_params.cc b/media/blink/webmediaplayer_params.cc
index ff3ed6089182999db1dcaaab1fef7fe213896bf9..b7382ec782ba50c0d551c1d80ea824751918d6c6 100644
--- a/media/blink/webmediaplayer_params.cc
+++ b/media/blink/webmediaplayer_params.cc
@@ -7,24 +7,19 @@
 #include "base/single_thread_task_runner.h"
 #include "media/base/audio_renderer_sink.h"
 #include "media/base/media_log.h"
-#include "media/filters/gpu_video_accelerator_factories.h"
 
 namespace media {
 
 WebMediaPlayerParams::WebMediaPlayerParams(
     const base::Callback<void(const base::Closure&)>& defer_load_cb,
     const scoped_refptr<AudioRendererSink>& audio_renderer_sink,
-    const AudioHardwareConfig& audio_hardware_config,
     const scoped_refptr<MediaLog>& media_log,
-    const scoped_refptr<GpuVideoAcceleratorFactories>& gpu_factories,
     const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
     const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
     blink::WebContentDecryptionModule* initial_cdm)
     : defer_load_cb_(defer_load_cb),
       audio_renderer_sink_(audio_renderer_sink),
-      audio_hardware_config_(audio_hardware_config),
       media_log_(media_log),
-      gpu_factories_(gpu_factories),
       media_task_runner_(media_task_runner),
       compositor_task_runner_(compositor_task_runner),
       initial_cdm_(initial_cdm) {