Revert of Bind Window focus ability to the ExecutionContext instead of the process.

Source/modules/notifications/Notification.cpp

Index: Source/modules/notifications/Notification.cpp
diff --git a/Source/modules/notifications/Notification.cpp b/Source/modules/notifications/Notification.cpp
index e99ad4809356b208e2740ad8a88dd2a5a53275de..6c0587fff8cb74e626169073a0388e791b290785 100644
--- a/Source/modules/notifications/Notification.cpp
+++ b/Source/modules/notifications/Notification.cpp
@@ -33,9 +33,9 @@
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/Document.h"
-#include "core/dom/ScopedWindowFocusAllowedIndicator.h"
 #include "core/events/Event.h"
 #include "core/frame/UseCounter.h"
+#include "core/page/WindowFocusAllowedIndicator.h"
 #include "modules/notifications/NotificationOptions.h"
 #include "modules/notifications/NotificationPermissionClient.h"
 #include "public/platform/Platform.h"
@@ -128,7 +128,7 @@
 void Notification::dispatchClickEvent()
 {
     UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
-    ScopedWindowFocusAllowedIndicator windowFocusAllowed(executionContext());
+    WindowFocusAllowedIndicator windowFocusAllowed;
     dispatchEvent(Event::create(EventTypeNames::click));
 }