Pass implementation object to supplemental classes by reference

Source/modules/vibration/testing/InternalsVibration.cpp

Index: Source/modules/vibration/testing/InternalsVibration.cpp
diff --git a/Source/modules/vibration/testing/InternalsVibration.cpp b/Source/modules/vibration/testing/InternalsVibration.cpp
index a22bb0117b29d31b7e92e679e2b6209a6bd107fe..01ce84151d57fe5543288dc65892c6c2f82d9cda 100644
--- a/Source/modules/vibration/testing/InternalsVibration.cpp
+++ b/Source/modules/vibration/testing/InternalsVibration.cpp
@@ -37,16 +37,16 @@
 
 namespace WebCore {
 
-bool InternalsVibration::isVibrating(Internals* internals, Document* document)
+bool InternalsVibration::isVibrating(Internals&, Document* document)
 {
-    ASSERT(internals && document && document->page());
-    return NavigatorVibration::from(document->page())->isVibrating();
+    ASSERT(document && document->page());
+    return NavigatorVibration::from(*document->page()).isVibrating();
 }
 
-Vector<unsigned> InternalsVibration::pendingVibrationPattern(Internals* internals, Document* document)
+Vector<unsigned> InternalsVibration::pendingVibrationPattern(Internals&, Document* document)
 {
-    ASSERT(internals && document && document->page());
-    return NavigatorVibration::from(document->page())->pattern();
+    ASSERT(document && document->page());
+    return NavigatorVibration::from(*document->page()).pattern();
 }
 
 } // namespace WebCore