Remove Quirk shouldDisableElementFullscreenQuirk for nfl.com

https://bugs.webkit.org/show_bug.cgi?id=255021
rdar://107633365

Reviewed by Tim Nguyen.

This removes the fullscreen quirk for the nfl.com website.
It was required on iPad so that the controls of the video are
being displayed. It is not necessary anymore.

* Source/WebCore/dom/Document+Fullscreen.idl:
* Source/WebCore/dom/Element+Fullscreen.idl:
* Source/WebCore/page/Quirks.cpp:
(WebCore::Quirks::shouldDisableElementFullscreenQuirk const): Deleted.
* Source/WebCore/page/Quirks.h:

Canonical link: https://commits.webkit.org/266757@main

Source/WebCore/dom/Document+Fullscreen.idl

@@ -27,7 +27,6 @@
 [
     Conditional=FULLSCREEN_API,
     EnabledBySetting=FullScreenEnabled,
-    DisabledByQuirk=shouldDisableElementFullscreen,
     ImplementedBy=DocumentFullscreen
 ] partial interface Document {
     [LegacyLenientSetter, EnabledBySetting=UnprefixedFullscreenAPIEnabled, ImplementedAs=fullscreenEnabled] readonly attribute boolean fullscreenEnabled;

Source/WebCore/dom/Element+Fullscreen.idl

@@ -26,7 +26,6 @@
 // https://fullscreen.spec.whatwg.org/#api
 [
     Conditional=FULLSCREEN_API,
-    DisabledByQuirk=shouldDisableElementFullscreen,
     EnabledBySetting=FullScreenEnabled
 ] partial interface Element {
     [EnabledBySetting=UnprefixedFullscreenAPIEnabled] Promise<undefined> requestFullscreen(optional FullscreenOptions options = {});

Source/WebCore/page/Quirks.cpp

@@ -991,26 +991,6 @@ bool Quirks::shouldEnableLegacyGetUserMediaQuirk() const
 }
 #endif
 
-// nfl.com rdar://58807210
-bool Quirks::shouldDisableElementFullscreenQuirk() const
-{
-#if PLATFORM(IOS_FAMILY)
-    if (!needsQuirks())
-        return false;
-
-    if (m_shouldDisableElementFullscreenQuirk)
-        return m_shouldDisableElementFullscreenQuirk.value();
-
-    auto domain = m_document->securityOrigin().domain().convertToASCIILowercase();
-
-    m_shouldDisableElementFullscreenQuirk = domain == "nfl.com"_s || domain.endsWith(".nfl.com"_s);
-
-    return m_shouldDisableElementFullscreenQuirk.value();
-#else
-    return false;
-#endif
-}
-
 // hulu.com rdar://55041979
 bool Quirks::needsCanPlayAfterSeekedQuirk() const
 {

Source/WebCore/page/Quirks.h

@@ -120,8 +120,6 @@ class Quirks {
     bool shouldEnableLegacyGetUserMediaQuirk() const;
 #endif
 
-    bool shouldDisableElementFullscreenQuirk() const;
-
     bool needsCanPlayAfterSeekedQuirk() const;
 
     bool shouldAvoidPastingImagesAsWebContent() const;
@@ -198,7 +196,6 @@ class Quirks {
     mutable std::optional<bool> m_needsFullscreenDisplayNoneQuirk;
     mutable std::optional<bool> m_shouldAvoidPastingImagesAsWebContent;
 #endif
-    mutable std::optional<bool> m_shouldDisableElementFullscreenQuirk;
 #if ENABLE(TOUCH_EVENTS)
     enum class ShouldDispatchSimulatedMouseEvents : uint8_t {
         Unknown,