Pass implementation object to supplemental classes by reference

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 224 matching lines @@
 }
 
 InternalSettings* Internals::settings() const
 {
     Document* document = contextDocument();
     if (!document)
         return 0;
     Page* page = document->page();
     if (!page)
         return 0;
-    return InternalSettings::from(page);
+    return InternalSettings::from(*page);
 }
 
 InternalRuntimeFlags* Internals::runtimeFlags() const
 {
     return m_runtimeFlags.get();
 }
 
 InternalProfilers* Internals::profilers()
 {
     if (!m_profilers)
@@ skipping 999 matching lines @@
     WebCore::overrideUserPreferredLanguages(atomicLanguages);
 }
 
 unsigned Internals::wheelEventHandlerCount(Document* document, ExceptionState& exceptionState)
 {
     if (!document) {
         exceptionState.throwDOMException(InvalidAccessError, "No context document is available.");
         return 0;
     }
 
-    return WheelController::from(document)->wheelEventHandlerCount();
+    return WheelController::from(*document)->wheelEventHandlerCount();
 }
 
 unsigned Internals::touchEventHandlerCount(Document* document, ExceptionState& exceptionState)
 {
     if (!document) {
         exceptionState.throwDOMException(InvalidAccessError, "No context document is available.");
         return 0;
     }
 
     const TouchEventTargetSet* touchHandlers = document->touchEventTargets();
@@ skipping 720 matching lines @@
         exceptionState.throwDOMException(InvalidAccessError, document ? "The document's page cannot be retrieved." : "No context document can be obtained.");
         return;
     }
     document->page()->setIsCursorVisible(isVisible);
 }
 
 void Internals::webkitWillEnterFullScreenForElement(Document* document, Element* 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)
 {
     SchemeRegistry::registerURLSchemeAsBypassingContentSecurityPolicy(scheme);
 }
 
 void Internals::removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(const String& scheme)
 {
     SchemeRegistry::removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(scheme);
@@ skipping 325 matching lines @@
 };
 
 } // namespace
 
 ScriptPromise Internals::addOneToPromise(ExecutionContext* context, ScriptPromise promise)
 {
     return promise.then(AddOneFunction::create(context));
 }
 
 }