Bug 1548253 - Port pref cache variables of nsContentUtils to StaticPrefs - dom_presentation_testing_simulate_receiver, r=Ehsan

Differential Revision: https://phabricator.services.mozilla.com/D29526

--HG--
extra : moz-landing-system : lando

dom/base/nsContentUtils.cpp

@@ -9156,7 +9156,7 @@ void nsContentUtils::GetPresentationURL(nsIDocShell* aDocShell,
   MOZ_ASSERT(aDocShell);
 
   // Simulate receiver context for web platform test
-  if (Preferences::GetBool("dom.presentation.testing.simulate-receiver")) {
+  if (StaticPrefs::dom_presentation_testing_simulate_receiver()) {
     RefPtr<Document> doc;
 
     nsCOMPtr<nsPIDOMWindowOuter> docShellWin =

dom/presentation/Presentation.cpp

@@ -124,7 +124,7 @@ bool Presentation::HasReceiverSupport() const {
     return false;
   }
 
-  if (!Preferences::GetBool("dom.presentation.testing.simulate-receiver") &&
+  if (!StaticPrefs::dom_presentation_testing_simulate_receiver() &&
       !docShell->GetIsInMozBrowser() &&
       !docShell->GetIsTopLevelContentDocShell()) {
     return false;

modules/libpref/init/StaticPrefList.h

@@ -708,6 +708,12 @@ VARCACHE_PREF(
   bool, true
 )
 
+VARCACHE_PREF(
+  "dom.presentation.testing.simulate-receiver",
+   dom_presentation_testing_simulate_receiver,
+  bool, false
+)
+
 //---------------------------------------------------------------------------
 // Extension prefs
 //---------------------------------------------------------------------------