LibWeb: Move setting of Web object prototypes to initialize()

This needs to happen before prototype/constructor intitialization can be
made lazy. Otherwise, GC could run during the C++ constructor and try to
collect the object currently being created.

2 files changed, 8 insertions, 1 deletions

diff --git a/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.cpp b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.cpp
index 9fa2c62674..b0d6fb123d 100644
--- a/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.cpp
+++ b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.cpp
@@ -21,7 +21,12 @@ IdleDeadline::IdleDeadline(JS::Realm& realm, bool did_timeout)
     : PlatformObject(realm)
     , m_did_timeout(did_timeout)
 {
-    set_prototype(&Bindings::cached_web_prototype(realm, "IdleDeadline"));
+}
+
+void IdleDeadline::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    set_prototype(&Bindings::ensure_web_prototype<Bindings::IdleDeadlinePrototype>(realm, "IdleDeadline"));
 }
 
 IdleDeadline::~IdleDeadline() = default;
diff --git a/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.h b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.h
index 23d546889b..d703a9c620 100644
--- a/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.h
+++ b/Userland/Libraries/LibWeb/RequestIdleCallback/IdleDeadline.h
@@ -24,6 +24,8 @@ public:
 private:
     IdleDeadline(JS::Realm&, bool did_timeout);
 
+    virtual void initialize(JS::Realm&) override;
+
     bool m_did_timeout { false };
 };