Fix DOMWindow::isCurrentlyDisplayedInFrame to return false when detached

LayoutTests/fast/dom/Window/property-access-on-cached-properties-after-frame-navigated-expected.txt

Index: LayoutTests/fast/dom/Window/property-access-on-cached-properties-after-frame-navigated-expected.txt
diff --git a/LayoutTests/fast/dom/Window/property-access-on-cached-properties-after-frame-navigated-expected.txt b/LayoutTests/fast/dom/Window/property-access-on-cached-properties-after-frame-navigated-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a34f1e48f738d5cedee04af66920892484910dd2
--- /dev/null
+++ b/LayoutTests/fast/dom/Window/property-access-on-cached-properties-after-frame-navigated-expected.txt
@@ -0,0 +1,53 @@
+CONSOLE WARNING: 'window.webkitStorageInfo' is deprecated. Please use 'navigator.webkitTemporaryStorage' or 'navigator.webkitPersistentStorage' instead.
+Tests access of cached DOMWindow properties after the associated frame is navigated. Test should not crash and properties should be set to sane defaults.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS window.cached_history.length is 0
+FAIL window.cached_location.href should be about:blank (of type string). Was undefined (of type undefined).
+FAIL window.cached_location.origin should be null (of type string). Was undefined (of type undefined).
+FAIL window.cached_location.pathname should be blank (of type string). Was undefined (of type undefined).
+FAIL window.cached_location.protocol should be about: (of type string). Was undefined (of type undefined).
+PASS window.cached_locationbar.visible is false
+PASS window.cached_menubar.visible is false
+PASS window.cached_navigator.appCodeName is window.navigator.appCodeName
+PASS window.cached_navigator.appName is window.navigator.appName
+PASS window.cached_navigator.appVersion is ''
+PASS window.cached_navigator.cookieEnabled is false
+PASS window.cached_navigator.language is window.navigator.language
+PASS window.cached_navigator.onLine is window.navigator.onLine
+PASS window.cached_navigator.platform is window.navigator.platform
+PASS window.cached_navigator.product is window.navigator.product
+PASS window.cached_navigator.productSub is window.navigator.productSub
+PASS window.cached_navigator.userAgent is ''
+PASS window.cached_navigator.vendor is window.navigator.vendor
+PASS window.cached_performance_timing.connectEnd is 0
+PASS window.cached_performance_timing.connectStart is 0
+PASS window.cached_performance_timing.domContentLoadedEventEnd is 0
+PASS window.cached_performance_timing.domContentLoadedEventStart is 0
+PASS window.cached_performance_timing.domInteractive is 0
+PASS window.cached_performance_timing.domLoading is 0
+PASS window.cached_performance_timing.domainLookupEnd is 0
+PASS window.cached_performance_timing.domainLookupStart is 0
+PASS window.cached_performance_timing.fetchStart is 0
+PASS window.cached_performance_timing.navigationStart is 0
+PASS window.cached_performance_timing.requestStart is 0
+PASS window.cached_performance_timing.responseEnd is 0
+PASS window.cached_performance_timing.responseStart is 0
+PASS window.cached_personalbar.visible is false
+PASS window.cached_screen.availHeight is 0
+PASS window.cached_screen.availWidth is 0
+PASS window.cached_screen.colorDepth is 0
+PASS window.cached_screen.height is 0
+PASS window.cached_screen.orientation is ''
+PASS window.cached_screen.pixelDepth is 0
+PASS window.cached_screen.width is 0
+PASS window.cached_scrollbars.visible is false
+PASS window.cached_statusbar.visible is false
+PASS window.cached_styleMedia.type is ''
+PASS window.cached_toolbar.visible is false
+PASS successfullyParsed is true
+
+TEST COMPLETE
+