[iOS Firefox] Remove quirk added in 300584@main

https://bugs.webkit.org/show_bug.cgi?id=303320
rdar://165624257

Reviewed by Andy Estes.

Remove the quirk now that the bug in Firefox has been fixes.

* Source/WTF/wtf/cocoa/RuntimeApplicationChecksCocoa.h:
* Source/WTF/wtf/cocoa/RuntimeApplicationChecksCocoa.mm:
(WTF::computeSDKAlignedBehaviors):
(WTF::IOSApplication::isFirefox): Deleted.
(WTF::IOSApplication::isFirefoxFocus): Deleted.
* Source/WebCore/html/HTMLMediaElement.cpp:
(WebCore::HTMLMediaElement::initializeMediaSession):
* Source/WebCore/page/Quirks.cpp:
(WebCore::Quirks::determineRelevantQuirks):
(WebCore::Quirks::requirePageVisibilityToPlayAudioQuirk const): Deleted.
* Source/WebCore/page/Quirks.h:
* Source/WebCore/page/QuirksData.h:

Canonical link: https://commits.webkit.org/303778@main

Author: eric-carlson

Source/WTF/wtf/cocoa/RuntimeApplicationChecksCocoa.h

@@ -74,7 +74,6 @@ enum class SDKAlignedBehavior {
     ModernCompabilityModeByDefault,
     MutationEventsDisabledByDefault,
     NavigationActionSourceFrameNonNull,
-    AllowBackgroundAudioPlayback,
     NoClientCertificateLookup,
     NoExpandoIndexedPropertiesOnWindow,
     NoPokerBrosBuiltInTagQuirk,
@@ -207,8 +206,6 @@ WTF_EXPORT_PRIVATE bool isMobileStore();
 WTF_EXPORT_PRIVATE bool isUNIQLOApp();
 WTF_EXPORT_PRIVATE bool isDOFUSTouch();
 WTF_EXPORT_PRIVATE bool isMyRideK12();
-WTF_EXPORT_PRIVATE bool isFirefox();
-WTF_EXPORT_PRIVATE bool isFirefoxFocus();
 
 } // IOSApplication
 

Source/WTF/wtf/cocoa/RuntimeApplicationChecksCocoa.mm

@@ -238,10 +238,8 @@ static SDKAlignedBehaviors computeSDKAlignedBehaviors()
     if (linkedBefore(dyld_2024_SU_F_os_versions, DYLD_IOS_VERSION_18_5, DYLD_MACOSX_VERSION_15_5))
         disableBehavior(SDKAlignedBehavior::NavigationActionSourceFrameNonNull);
 
-    if (linkedBefore(dyld_2025_SU_B_os_versions, DYLD_IOS_VERSION_26_1, DYLD_MACOSX_VERSION_26_1)) {
-        disableBehavior(SDKAlignedBehavior::AllowBackgroundAudioPlayback);
+    if (linkedBefore(dyld_2025_SU_B_os_versions, DYLD_IOS_VERSION_26_1, DYLD_MACOSX_VERSION_26_1))
         disableBehavior(SDKAlignedBehavior::GetBoundingClientRectZoomed);
-    }
 
     disableAdditionalSDKAlignedBehaviors(behaviors);
 
@@ -605,18 +603,6 @@ static bool applicationBundleIsEqualTo(const String& bundleIdentifierString)
     return isMyRideK12;
 }
 
-bool IOSApplication::isFirefox()
-{
-    static bool isFirefox = applicationBundleIsEqualTo("org.mozilla.ios.Firefox"_s);
-    return isFirefox;
-}
-
-bool IOSApplication::isFirefoxFocus()
-{
-    static bool isFirefoxFocus = applicationBundleIsEqualTo("org.mozilla.ios.Focus"_s);
-    return isFirefoxFocus;
-}
-
 bool IOSApplication::isHimalaya()
 {
     static bool isHimalayaApp = applicationBundleIsEqualTo("com.gemd.iting"_s);

Source/WebCore/html/HTMLMediaElement.cpp

@@ -705,7 +705,7 @@ void HTMLMediaElement::initializeMediaSession()
     if (document->settings().invisibleAutoplayNotPermitted())
         mediaSession->addBehaviorRestriction(MediaElementSession::InvisibleAutoplayNotPermitted);
 
-    if (document->settings().requiresPageVisibilityToPlayAudio() || document->quirks().requirePageVisibilityToPlayAudioQuirk())
+    if (document->settings().requiresPageVisibilityToPlayAudio())
         mediaSession->addBehaviorRestriction(MediaElementSession::RequirePageVisibilityToPlayAudio);
 
     if (document->ownerElement() || !document->isMediaDocument()) {

Source/WebCore/page/Quirks.cpp

@@ -1711,19 +1711,6 @@ bool Quirks::shouldFlipScreenDimensions() const
 #endif
 }
 
-// Firefox and Firefox Focus (rdar://159977164)
-bool Quirks::requirePageVisibilityToPlayAudioQuirk() const
-{
-#if PLATFORM(IOS_FAMILY)
-    if (!needsQuirks()) [[unlikely]]
-        return false;
-
-    return m_quirksData.quirkIsEnabled(QuirksData::SiteSpecificQuirk::RequirePageVisibilityToPlayAudioQuirk);
-#else
-    return false;
-#endif
-}
-
 // This section is dedicated to UA override for iPad. iPads (but iPad Mini) are sending a desktop user agent
 // to websites. In some cases, the website breaks in some ways, not expecting a touch interface for the website.
 // Controls not active or too small, form factor, etc. In this case it is better to send the iPad Mini UA.
@@ -3425,14 +3412,11 @@ void Quirks::determineRelevantQuirks()
 #if PLATFORM(IOS_FAMILY)
     static const bool shouldDisableLazyIframeLoadingQuirk = !linkedOnOrAfterSDKWithBehavior(SDKAlignedBehavior::NoUNIQLOLazyIframeLoadingQuirk) && WTF::IOSApplication::isUNIQLOApp();
     static const bool needsResettingTransitionCancelsRunningTransitionQuirk = !linkedOnOrAfterSDKWithBehavior(SDKAlignedBehavior::ResettingTransitionCancelsRunningTransitionQuirk) && WTF::IOSApplication::isDOFUSTouch();
-    static const bool requirePageVisibilityToPlayAudioQuirk = (WTF::IOSApplication::isFirefox() || WTF::IOSApplication::isFirefoxFocus()) && !linkedOnOrAfterSDKWithBehavior(SDKAlignedBehavior::AllowBackgroundAudioPlayback);
 
     m_quirksData.setQuirkState(QuirksData::SiteSpecificQuirk::ShouldDisableLazyIframeLoadingQuirk, shouldDisableLazyIframeLoadingQuirk);
 
     // DOFUS Touch app (rdar://112679186)
     m_quirksData.setQuirkState(QuirksData::SiteSpecificQuirk::NeedsResettingTransitionCancelsRunningTransitionQuirk, needsResettingTransitionCancelsRunningTransitionQuirk);
-
-    m_quirksData.setQuirkState(QuirksData::SiteSpecificQuirk::RequirePageVisibilityToPlayAudioQuirk, requirePageVisibilityToPlayAudioQuirk);
 #endif
 
 #if PLATFORM(MAC)

Source/WebCore/page/Quirks.h

@@ -91,7 +91,6 @@ class Quirks {
 
     bool shouldPreventOrientationMediaQueryFromEvaluatingToLandscape() const;
     bool shouldFlipScreenDimensions() const;
-    bool requirePageVisibilityToPlayAudioQuirk() const;
 
     WEBCORE_EXPORT bool shouldDispatchSyntheticMouseEventsWhenModifyingSelection() const;
     WEBCORE_EXPORT bool shouldSuppressAutocorrectionAndAutocapitalizationInHiddenEditableAreas() const;

Source/WebCore/page/QuirksData.h

@@ -125,9 +125,6 @@ struct QuirksData {
 #if PLATFORM(MAC)
         NeedsZomatoEmailLoginLabelQuirk,
 #endif
-#if PLATFORM(IOS_FAMILY)
-        RequirePageVisibilityToPlayAudioQuirk,
-#endif
 #if ENABLE(VIDEO_PRESENTATION_MODE)
         RequiresUserGestureToLoadInPictureInPictureQuirk,
         RequiresUserGestureToPauseInPictureInPictureQuirk,