Address Safer CPP warnings about retainable members in Source/WebKit on iOS

[cdumez]

9ca92cf

Address Safer CPP warnings about retainable members in Source/WebKit on iOS
https://bugs.webkit.org/show_bug.cgi?id=306929

Reviewed by Geoffrey Garen.

* Source/WebKit/UIProcess/RemoteLayerTree/ios/RemoteLayerTreeDrawingAreaProxyIOS.mm:
(-[WKDisplayLinkHandler initWithDrawingAreaProxy:]):
(-[WKDisplayLinkHandler invalidate]):
(-[WKDisplayLinkHandler schedule]):
(-[WKDisplayLinkHandler pause]):
(-[WKDisplayLinkHandler nominalFramesPerSecond]):
(-[WKDisplayLinkHandler updateFrameRate]):
* Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm:
(-[WKTextRange dealloc]):
(-[WKTextRange selectionRects]):
(-[WKTextRange setSelectionRects:]):
* Source/WebKit/UIProcess/ios/WKImageAnalysisGestureRecognizer.mm:
(-[WKImageAnalysisGestureRecognizer lastTouchedScrollView]):
* Source/WebKit/UIProcess/ios/WKScrollView.mm:
(-[WKScrollViewDelegateForwarder methodSignatureForSelector:]):
(-[WKScrollViewDelegateForwarder respondsToSelector:]):
(-[WKScrollViewDelegateForwarder forwardInvocation:]):
(-[WKScrollViewDelegateForwarder forwardingTargetForSelector:]):
(-[WKScrollView internalDelegate]):
(-[WKScrollView setInternalDelegate:]):
(-[WKScrollView _updateDelegate]):
(-[WKScrollView setBackgroundColor:]):
(-[WKScrollView _setBackgroundColorInternal:]):
(-[WKScrollView setIndicatorStyle:]):
(-[WKScrollView setContentInset:]):
(-[WKScrollView _resetContentInset]):
(-[WKScrollView setContentInsetAdjustmentBehavior:]):
(-[WKScrollView _systemContentInset]):
(-[WKScrollView hitTest:withEvent:]):
(-[WKScrollView _didChangeTopScrollEdgeEffectStyle]):
* Source/WebKit/UIProcess/ios/WKUSDPreviewView.mm:
(-[WKUSDPreviewView web_setContentProviderData:suggestedFilename:completionHandler:]):
(-[WKUSDPreviewView _layoutThumbnailView]):
(-[WKUSDPreviewView thumbnailView:wantsToPresentPreviewController:forItem:]):
(-[WKUSDPreviewView web_countStringMatches:options:maxCount:]):
(-[WKUSDPreviewView web_findString:options:maxCount:]):
* Source/WebKit/UIProcess/ios/WebDataListSuggestionsDropdownIOS.h:
* Source/WebKit/UIProcess/ios/WebDataListSuggestionsDropdownIOS.mm:
(WebKit::WebDataListSuggestionsDropdownIOS::show):
* Source/WebKit/UIProcess/ios/forms/WKDateTimeInputControl.mm:
(-[WKDateTimePicker initWithView:inputType:]):
(-[WKDateTimePicker datePickerPopoverControllerDidReset:]):
(-[WKDateTimePicker handleDatePickerPresentationDismissal]):
(-[WKDateTimePicker removeDatePickerPresentation]):
(-[WKDateTimePicker showDateTimePicker]):
(-[WKDateTimePicker shouldForceGregorianCalendar]):
(-[WKDateTimePicker _sanitizeInputValueForFormatter:]):
(-[WKDateTimePicker dateFormatterForPicker]):
(-[WKDateTimePicker _dateChanged]):
(-[WKDateTimePicker setDateTimePickerToInitialValue]):
(-[WKDateTimePicker controlBeginEditing]):
(-[WKDateTimePicker controlEndEditing]):
* Source/WebKit/UIProcess/ios/forms/WKFormPeripheralBase.mm:
(-[WKFormPeripheralBase view]):
* Source/WebKit/UIProcess/ios/forms/WKFormSelectPopover.mm:
(-[WKSelectTableViewController initWithView:hasGroups:]):
(-[WKSelectTableViewController tableView:numberOfRowsInSection:]):
(-[WKSelectTableViewController tableView:titleForHeaderInSection:]):
(-[WKSelectTableViewController findItemIndexAt:]):
(-[WKSelectTableViewController findItemAt:]):
(-[WKSelectTableViewController tableView:cellForRowAtIndexPath:]):
(-[WKSelectTableViewController tableView:didSelectRowAtIndexPath:]):
(-[WKSelectTableViewController shouldDismissWithAnimation]):
(-[WKSelectTableViewController popover]):
(-[WKSelectTableViewController setPopover:]):

Canonical link: https://commits.webkit.org/306807@main

25b26da

Misc	iOS, visionOS, tvOS & watchOS	macOS	Linux	Windows	Apple Internal
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 win	✅ 🛠 ios-apple
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🧪 wpe-wk2	✅ 🧪 win-tests	🛠 mac-apple
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 api-wpe		✅ 🛠 vision-apple
	✅ 🧪 ios-wk2-wpt	✅ 🧪 api-mac-debug	✅ 🛠 wpe-libwebrtc
	✅ 🧪 api-ios		✅ 🛠 gtk
	✅ 🛠 vision	✅ 🧪 mac-wk2	✅ 🧪 gtk-wk2
	✅ 🛠 vision-sim	✅ 🧪 mac-AS-debug-wk2	✅ 🧪 api-gtk
✅ 🛠 🧪 merge	✅ 🧪 vision-wk2	✅ 🧪 mac-wk2-stress	✅ 🛠 playstation
	✅ 🛠 tv	✅ 🧪 mac-intel-wk2
	✅ 🛠 tv-sim	✅ 🛠 mac-safer-cpp
	✅ 🛠 watch
	✅ 🛠 watch-sim

[webkit-early-warning-system]

EWS run on previous version of this PR (hash 4bbe5a5)

Details

Misc	iOS, visionOS, tvOS & watchOS	macOS	Linux	Windows	Apple Internal
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	🛠 win	✅ 🛠 ios-apple
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🧪 wpe-wk2	🧪 win-tests	✅ 🛠 mac-apple
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 api-wpe		🛠 vision-apple
	✅ 🧪 ios-wk2-wpt	✅ 🧪 api-mac-debug	✅ 🛠 wpe-libwebrtc
	✅ 🧪 api-ios		✅ 🛠 gtk
	✅ 🛠 vision	✅ 🧪 mac-wk2	✅ 🧪 gtk-wk2
	✅ 🛠 vision-sim	✅ 🧪 mac-AS-debug-wk2	✅ 🧪 api-gtk
	✅ 🧪 vision-wk2	✅ 🧪 mac-wk2-stress	✅ 🛠 playstation
	✅ 🛠 tv	✅ 🧪 mac-intel-wk2
	✅ 🛠 tv-sim	✅ 🛠 mac-safer-cpp
	✅ 🛠 watch
	✅ 🛠 watch-sim

[webkit-early-warning-system]

EWS run on current version of this PR (hash 25b26da)

Details

Misc	iOS, visionOS, tvOS & watchOS	macOS	Linux	Windows	Apple Internal
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 win	✅ 🛠 ios-apple
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🧪 wpe-wk2	✅ 🧪 win-tests	🛠 mac-apple
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 api-wpe		✅ 🛠 vision-apple
	✅ 🧪 ios-wk2-wpt	✅ 🧪 api-mac-debug	✅ 🛠 wpe-libwebrtc
	✅ 🧪 api-ios		✅ 🛠 gtk
	✅ 🛠 vision	✅ 🧪 mac-wk2	✅ 🧪 gtk-wk2
	✅ 🛠 vision-sim	✅ 🧪 mac-AS-debug-wk2	✅ 🧪 api-gtk
✅ 🛠 🧪 merge	✅ 🧪 vision-wk2	✅ 🧪 mac-wk2-stress	✅ 🛠 playstation
	✅ 🛠 tv	✅ 🧪 mac-intel-wk2
	✅ 🛠 tv-sim	✅ 🛠 mac-safer-cpp
	✅ 🛠 watch
	✅ 🛠 watch-sim

[webkit-commit-queue]

Committed 306807@main (9ca92cf): https://commits.webkit.org/306807@main

Reviewed commits have been landed. Closing PR #57843 and removing active labels.