Bug 1489844 - Port DOMPrefs to StaticPrefs - part 17 - dom.fetchObserver.enabled, r=ehsan

dom/base/DOMPrefsInternal.h

@@ -19,7 +19,6 @@
 //   * This defines DOMPrefs::FooBar(JSContext* aCx, JSObject* aObj);
 //     This is allows the use of DOMPrefs in WebIDL files.
 
-DOM_PREF(FetchObserverEnabled, "dom.fetchObserver.enabled")
 DOM_PREF(ResistFingerprintingEnabled, "privacy.resistFingerprinting")
 DOM_PREF(EnableAutoDeclineCanvasPrompts, "privacy.resistFingerprinting.autoDeclineNoUserInputCanvasPrompts")
 DOM_PREF(DevToolsEnabled, "devtools.enabled")
@@ -41,7 +40,7 @@ DOM_WEBIDL_PREF2(dom_streams_enabled)
 DOM_WEBIDL_PREF2(gfx_offscreencanvas_enabled)
 DOM_WEBIDL_PREF2(dom_webkitBlink_dirPicker_enabled)
 DOM_WEBIDL_PREF2(dom_netinfo_enabled)
-DOM_WEBIDL_PREF(FetchObserverEnabled)
+DOM_WEBIDL_PREF2(dom_fetchObserver_enabled)
 DOM_WEBIDL_PREF(PerformanceObserverEnabled)
 DOM_WEBIDL_PREF(SchedulerTimingEnabled)
 

dom/webidl/FetchObserver.webidl

@@ -16,7 +16,7 @@ enum FetchState {
 };
 
 [Exposed=(Window,Worker),
- Func="mozilla::dom::DOMPrefs::FetchObserverEnabled"]
+ Func="mozilla::dom::DOMPrefs::dom_fetchObserver_enabled"]
 interface FetchObserver : EventTarget {
   readonly attribute FetchState state;
 

dom/webidl/Request.webidl

@@ -60,7 +60,7 @@ dictionary RequestInit {
 
   AbortSignal? signal;
 
-  [Func="mozilla::dom::DOMPrefs::FetchObserverEnabled"]
+  [Func="mozilla::dom::DOMPrefs::dom_fetchObserver_enabled"]
   ObserverCallback observe;
 };
 

modules/libpref/init/StaticPrefList.h

@@ -326,6 +326,12 @@ VARCACHE_PREF(
 )
 #undef PREF_VALUE
 
+VARCACHE_PREF(
+  "dom.fetchObserver.enabled",
+   dom_fetchObserver_enabled,
+  RelaxedAtomicBool, false
+)
+
 //---------------------------------------------------------------------------
 // Clear-Site-Data prefs
 //---------------------------------------------------------------------------