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

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 388eb19f856cb48a05ba35a1600a0d121e967f1e..062edd2b1785fc2317e64cc610a6caa2df87c393 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -319,7 +319,7 @@ Node* Internals::treeScopeRootNode(Node* node, ExceptionState& es)
         return 0;
     }
 
-    return node->treeScope().rootNode();
+    return node->treeScope()->rootNode();
 }
 
 Node* Internals::parentTreeScope(Node* node, ExceptionState& es)
@@ -328,7 +328,7 @@ Node* Internals::parentTreeScope(Node* node, ExceptionState& es)
         es.throwDOMException(InvalidAccessError);
         return 0;
     }
-    const TreeScope* parentTreeScope = node->treeScope().parentTreeScope();
+    const TreeScope* parentTreeScope = node->treeScope()->parentTreeScope();
     return parentTreeScope ? parentTreeScope->rootNode() : 0;
 }
 
@@ -403,7 +403,7 @@ unsigned short Internals::compareTreeScopePosition(const Node* node1, const Node
         es.throwDOMException(InvalidAccessError);
         return 0;
     }
-    return treeScope1->comparePosition(*treeScope2);
+    return treeScope1->comparePosition(treeScope2);
 }
 
 unsigned Internals::numberOfActiveAnimations() const
@@ -411,9 +411,7 @@ 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
@@ -423,13 +421,8 @@ void Internals::suspendAnimations(Document* document, ExceptionState& es) const
         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
@@ -439,13 +432,8 @@ void Internals::resumeAnimations(Document* document, ExceptionState& es) const
         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)