Web Animations: Remove legacy animations engine.

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 8f1488628aacbb1d594082eb463420c3d5ec24e2..1c8599b52f219bdf75d5448434701176be1c0263 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -104,7 +104,6 @@
 #include "core/page/PagePopupController.h"
 #include "core/page/PrintContext.h"
 #include "core/frame/Settings.h"
-#include "core/frame/animation/AnimationController.h"
 #include "core/rendering/CompositedLayerMapping.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderLayerCompositor.h"
@@ -488,7 +487,7 @@ unsigned Internals::numberOfActiveAnimations() const
     Document* document = contextFrame->document();
     if (RuntimeEnabledFeatures::webAnimationsCSSEnabled())
         return document->timeline()->numberOfActiveAnimationsForTesting() + document->transitionTimeline()->numberOfActiveAnimationsForTesting();
-    return contextFrame->animation().numberOfActiveAnimations(document);
+    return 0;
 }
 
 void Internals::pauseAnimations(double pauseTime, ExceptionState& exceptionState)
@@ -501,8 +500,6 @@ void Internals::pauseAnimations(double pauseTime, ExceptionState& exceptionState
     if (RuntimeEnabledFeatures::webAnimationsCSSEnabled()) {
         frame()->document()->timeline()->pauseAnimationsForTesting(pauseTime);
         frame()->document()->transitionTimeline()->pauseAnimationsForTesting(pauseTime);
-    } else {
-        frame()->animation().pauseAnimationsForTesting(pauseTime);
     }
 }