Address Safer CPP issues in UserActivation.cpp

https://bugs.webkit.org/show_bug.cgi?id=289763

Reviewed by Tim Nguyen and Chris Dumez.

Address Safer CPP issues

* Source/WebCore/SaferCPPExpectations/UncountedLocalVarsCheckerExpectations:
* Source/WebCore/html/UserActivation.cpp:
(WebCore::UserActivation::hasBeenActive const):
(WebCore::UserActivation::isActive const):

Canonical link: https://commits.webkit.org/292550@main

Author: AlexsanderDamaceno

Source/WebCore/SaferCPPExpectations/UncountedLocalVarsCheckerExpectations

@@ -380,7 +380,6 @@ html/PermissionsPolicy.cpp
 html/PluginDocument.cpp
 html/RangeInputType.cpp
 html/TextFieldInputType.cpp
-html/UserActivation.cpp
 html/ValidatedFormListedElement.cpp
 html/ValidationMessage.cpp
 html/canvas/ANGLEInstancedArrays.cpp

Source/WebCore/html/UserActivation.cpp

@@ -57,13 +57,13 @@ LocalDOMWindow* UserActivation::window() const
 
 bool UserActivation::hasBeenActive() const
 {
-    auto* window = this->window();
+    RefPtr window = this->window();
     return window && window->hasStickyActivation();
 }
 
 bool UserActivation::isActive() const
 {
-    auto* window = this->window();
+    RefPtr window = this->window();
     return window && window->hasTransientActivation();
 }