Pass implementation object to supplemental classes by reference

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 60619543c27dac76fbb0c2b0e0a11d745c490bdf..d790023721f6549ab7dc9ce22730f90859e7f6e5 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -241,7 +241,7 @@ InternalSettings* Internals::settings() const
     Page* page = document->page();
     if (!page)
         return 0;
-    return InternalSettings::from(page);
+    return InternalSettings::from(*page);
 }
 
 InternalRuntimeFlags* Internals::runtimeFlags() const
@@ -1263,7 +1263,7 @@ unsigned Internals::wheelEventHandlerCount(Document* document, ExceptionState& e
         return 0;
     }
 
-    return WheelController::from(document)->wheelEventHandlerCount();
+    return WheelController::from(*document)->wheelEventHandlerCount();
 }
 
 unsigned Internals::touchEventHandlerCount(Document* document, ExceptionState& exceptionState)
@@ -2004,28 +2004,28 @@ void Internals::webkitWillEnterFullScreenForElement(Document* document, Element*
 {
     if (!document)
         return;
-    FullscreenElementStack::from(document)->webkitWillEnterFullScreenForElement(element);
+    FullscreenElementStack::from(*document).webkitWillEnterFullScreenForElement(element);
 }
 
 void Internals::webkitDidEnterFullScreenForElement(Document* document, Element* element)
 {
     if (!document)
         return;
-    FullscreenElementStack::from(document)->webkitDidEnterFullScreenForElement(element);
+    FullscreenElementStack::from(*document).webkitDidEnterFullScreenForElement(element);
 }
 
 void Internals::webkitWillExitFullScreenForElement(Document* document, Element* element)
 {
     if (!document)
         return;
-    FullscreenElementStack::from(document)->webkitWillExitFullScreenForElement(element);
+    FullscreenElementStack::from(*document).webkitWillExitFullScreenForElement(element);
 }
 
 void Internals::webkitDidExitFullScreenForElement(Document* document, Element* element)
 {
     if (!document)
         return;
-    FullscreenElementStack::from(document)->webkitDidExitFullScreenForElement(element);
+    FullscreenElementStack::from(*document).webkitDidExitFullScreenForElement(element);
 }
 
 void Internals::registerURLSchemeAsBypassingContentSecurityPolicy(const String& scheme)