WIP (Introduce WTF::NonNullPtr<T>.)

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 301 matching lines @@
     return isHTMLContentElement(insertionPoint) && toHTMLContentElement(insertionPoint)->isSelectValid();
 }
 
 Node* Internals::treeScopeRootNode(Node* node, ExceptionState& es)
 {
     if (!node) {
         es.throwDOMException(InvalidAccessError);
         return 0;
     }
 
-    return node->treeScope().rootNode();
+    return node->treeScope()->rootNode();
 }
 
 Node* Internals::parentTreeScope(Node* node, ExceptionState& es)
 {
     if (!node) {
         es.throwDOMException(InvalidAccessError);
         return 0;
     }
-    const TreeScope* parentTreeScope = node->treeScope().parentTreeScope();
+    const TreeScope* parentTreeScope = node->treeScope()->parentTreeScope();
     return parentTreeScope ? parentTreeScope->rootNode() : 0;
 }
 
 bool Internals::hasSelectorForIdInShadow(Element* host, const String& idValue, ExceptionState& es)
 {
     if (!host || !host->shadow()) {
         es.throwDOMException(InvalidAccessError);
         return 0;
     }
 
@@ skipping 54 matching lines @@
         return 0;
     }
     const TreeScope* treeScope1 = node1->isDocumentNode() ? static_cast<const TreeScope*>(toDocument(node1)) :
         node1->isShadowRoot() ? static_cast<const TreeScope*>(toShadowRoot(node1)) : 0;
     const TreeScope* treeScope2 = node2->isDocumentNode() ? static_cast<const TreeScope*>(toDocument(node2)) :
         node2->isShadowRoot() ? static_cast<const TreeScope*>(toShadowRoot(node2)) : 0;
     if (!treeScope1 || !treeScope2) {
         es.throwDOMException(InvalidAccessError);
         return 0;
     }
-    return treeScope1->comparePosition(*treeScope2);
+    return treeScope1->comparePosition(treeScope2);
 }
 
 unsigned Internals::numberOfActiveAnimations() const
 {
     Frame* contextFrame = frame();
     if (RuntimeEnabledFeatures::webAnimationsCSSEnabled())
         return frame()->document()->timeline()->numberOfActiveAnimationsForTesting();
-    if (AnimationController* controller = contextFrame->animation())
-        return controller->numberOfActiveAnimations(contextFrame->document());
-    return 0;
+    return contextFrame->animation()->numberOfActiveAnimations(contextFrame->document());
 }
 
 void Internals::suspendAnimations(Document* document, ExceptionState& es) const
 {
     if (!document || !document->frame()) {
         es.throwDOMException(InvalidAccessError);
         return;
     }
 
-    if (!RuntimeEnabledFeatures::webAnimationsCSSEnabled()) {
-        AnimationController* controller = document->frame()->animation();
-        if (!controller)
-            return;
-
-        controller->suspendAnimations();
-    }
+    if (!RuntimeEnabledFeatures::webAnimationsCSSEnabled())
+        document->frame()->animation()->suspendAnimations();
 }
 
 void Internals::resumeAnimations(Document* document, ExceptionState& es) const
 {
     if (!document || !document->frame()) {
         es.throwDOMException(InvalidAccessError);
         return;
     }
 
-    if (!RuntimeEnabledFeatures::webAnimationsCSSEnabled()) {
-        AnimationController* controller = document->frame()->animation();
-        if (!controller)
-            return;
-
-        controller->resumeAnimations();
-    }
+    if (!RuntimeEnabledFeatures::webAnimationsCSSEnabled())
+        document->frame()->animation()->resumeAnimations();
 }
 
 void Internals::pauseAnimations(double pauseTime, ExceptionState& es)
 {
     if (pauseTime < 0) {
         es.throwDOMException(InvalidAccessError);
         return;
     }
 
     if (RuntimeEnabledFeatures::webAnimationsCSSEnabled())
@@ skipping 1812 matching lines @@
         return false;
     sharedContext->getExtensions()->loseContextCHROMIUM(Extensions3D::GUILTY_CONTEXT_RESET_ARB, Extensions3D::INNOCENT_CONTEXT_RESET_ARB);
     // To prevent tests that call loseSharedGraphicsContext3D from being
     // flaky, we call finish so that the context is guaranteed to be lost
     // synchronously (i.e. before returning).
     sharedContext->finish();
     return true;
 }
 
 }