[Media] Plumb a feature parameter for the background video keyframe distance.

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 18bfecbebce6b8a71be7cd75b0138ed8157f3b5f..917261ffd5f6c3d4f9fabc03d45abf2f3542ccbd 100644
--- a/media/blink/webmediaplayer_params.cc
+++ b/media/blink/webmediaplayer_params.cc
@@ -22,7 +22,8 @@ WebMediaPlayerParams::WebMediaPlayerParams(
     const AdjustAllocatedMemoryCB& adjust_allocated_memory_cb,
     blink::WebContentDecryptionModule* initial_cdm,
     SurfaceManager* surface_manager,
-    base::WeakPtr<MediaObserver> media_observer)
+    base::WeakPtr<MediaObserver> media_observer,
+    base::TimeDelta max_keyframe_distance_to_disable_background_video)
     : defer_load_cb_(defer_load_cb),
       audio_renderer_sink_(audio_renderer_sink),
       media_log_(media_log),
@@ -33,7 +34,9 @@ WebMediaPlayerParams::WebMediaPlayerParams(
       adjust_allocated_memory_cb_(adjust_allocated_memory_cb),
       initial_cdm_(initial_cdm),
       surface_manager_(surface_manager),
-      media_observer_(media_observer) {}
+      media_observer_(media_observer),
+      max_keyframe_distance_to_disable_background_video_(
+          max_keyframe_distance_to_disable_background_video) {}
 
 WebMediaPlayerParams::~WebMediaPlayerParams() {}