Make autoplay policies no longer platform dependant.

content/public/common/web_preferences.cc

Index: content/public/common/web_preferences.cc
diff --git a/content/public/common/web_preferences.cc b/content/public/common/web_preferences.cc
index 72f7bd8a0dc23c3c54eaa9ca3d03cf9a988e5a85..d6c73a3706dcdcce58752440217fac4c79d3f9fe 100644
--- a/content/public/common/web_preferences.cc
+++ b/content/public/common/web_preferences.cc
@@ -191,7 +191,6 @@ WebPreferences::WebPreferences()
       force_enable_zoom(false),
       fullscreen_supported(true),
       double_tap_to_zoom_enabled(true),
-      user_gesture_required_for_media_playback(true),
       support_deprecated_target_density_dpi(false),
       use_legacy_background_size_shorthand_behavior(false),
       wide_viewport_quirk(false),
@@ -210,8 +209,6 @@ WebPreferences::WebPreferences()
       video_fullscreen_orientation_lock_enabled(false),
       video_fullscreen_detection_enabled(false),
       embedded_media_experience_enabled(false),
-#else  // defined(OS_ANDROID)
-      cross_origin_media_playback_requires_user_gesture(false),
 #endif  // defined(OS_ANDROID)
 #if defined(OS_ANDROID)
       default_minimum_page_scale_factor(0.25f),
@@ -228,7 +225,12 @@ WebPreferences::WebPreferences()
       enable_instant_source_buffer_gc(false),
       presentation_receiver(false),
       media_controls_enabled(true),
-      do_not_update_selection_on_mutating_selection_range(false) {
+      do_not_update_selection_on_mutating_selection_range(false),
+#if defined(OS_ANDROID)
+      autoplay_policy(AutoplayPolicy::kUserGestureRequired) {
+#else
+      autoplay_policy(AutoplayPolicy::kNoUserGestureRequired) {
+#endif  // defined(OS_ANDROID)
   standard_font_family_map[kCommonScript] =
       base::ASCIIToUTF16("Times New Roman");
   fixed_font_family_map[kCommonScript] = base::ASCIIToUTF16("Courier New");