Convert force video overlay to preference

content/public/common/renderer_preferences.h

Index: content/public/common/renderer_preferences.h
diff --git a/content/public/common/renderer_preferences.h b/content/public/common/renderer_preferences.h
index 4bee4d4eb50e62ab5ec0d87d6dbd3ce2f4d98d61..b76b37b84d210c6459b6913f144eda31c69beeb9 100644
--- a/content/public/common/renderer_preferences.h
+++ b/content/public/common/renderer_preferences.h
@@ -131,6 +131,10 @@ struct CONTENT_EXPORT RendererPreferences {
   // encrypted video.  Currently only used by Android.
   bool use_video_overlay_for_embedded_encrypted_video;
 
+  // Use video-overlay (hole-punching) should be used for all video, not just
+  // encrypted video.  Currently only used by Android.
+  bool use_view_overlay_for_all_video;
+
   // The default system font settings for caption, small caption, menu and
   // status messages. Used only by Windows.
   base::string16 caption_font_family_name;