Bug 1724236 - Inline Compile(JS::SourceText) r=arai

The remaining Compile(nsAString) could be inlined as well, but it is only used
in nsJSThunk::EvaluateScript and WindowScriptTimeoutHandler::Call. Right now,
I'm just focusing on use by ScriptLoader.

Differential Revision: https://phabricator.services.mozilla.com/D218452

dom/script/ScriptLoader.cpp

@@ -2822,7 +2822,10 @@ void ScriptLoader::InstantiateClassicScriptFromMaybeEncodedSource(
       RefPtr<JS::Stencil> stencil;
       ErrorResult erv;
       auto compile = [&](auto& source) {
-        Compile(aCx, aCompileOptions, source, stencil, erv);
+        stencil = CompileGlobalScriptToStencil(aCx, aCompileOptions, source);
+        if (!stencil) {
+          erv.NoteJSContextException(aCx);
+        }
       };
 
       MOZ_ASSERT(!maybeSource.empty());