Deprecating AutoplayExperimentHelper

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index e19736a7ecbf312614899a577d0d931039449b59..a2674f28e11710d67889273fd3e6eecfebe4656d 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -433,22 +433,14 @@ WebPreferences RenderViewHostImpl::ComputeWebkitPrefs() {
   // On Android, user gestures are normally required, unless that requirement
   // is disabled with a command-line switch or the equivalent field trial is
   // is set to "Enabled".
-  const std::string autoplay_group_name = base::FieldTrialList::FindFullName(
-      "MediaElementAutoplay");
   prefs.user_gesture_required_for_media_playback = !command_line.HasSwitch(
-      switches::kDisableGestureRequirementForMediaPlayback) &&
-          (autoplay_group_name.empty() || autoplay_group_name != "Enabled");
+      switches::kDisableGestureRequirementForMediaPlayback);
 
   prefs.progress_bar_completion = GetProgressBarCompletionPolicy();
 
   prefs.use_solid_color_scrollbars = true;
 #endif
 
-  // Handle autoplay gesture override experiment.
-  // Note that anything but a well-formed string turns the experiment off.
-  prefs.autoplay_experiment_mode = base::FieldTrialList::FindFullName(
-      "MediaElementGestureOverrideExperiment");
-
   prefs.touch_enabled = ui::AreTouchEventsEnabled();
   prefs.device_supports_touch = prefs.touch_enabled &&
       ui::GetTouchScreensAvailability() ==