[Presentation API] Adding a flag to disable gesture check for starting presentations

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 616392355a5ab48c8914a4ed0a96a747f85c7035..5a3f5482b5de0a05da5085d156f3808abee86461 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -1063,6 +1063,9 @@ void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
   settings->setImageAnimationPolicy(
       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
 
+  settings->setPresentationRequiresUserGesture(
+      prefs.user_gesture_required_for_presentation);
+
   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
   web_view->setDefaultPageScaleLimits(
       prefs.default_minimum_page_scale_factor,