Revert of Web Animations: Use a single animation clock

third_party/WebKit/Source/core/animation/AnimationStackTest.cpp

Index: third_party/WebKit/Source/core/animation/AnimationStackTest.cpp
diff --git a/third_party/WebKit/Source/core/animation/AnimationStackTest.cpp b/third_party/WebKit/Source/core/animation/AnimationStackTest.cpp
index bb2bb9e791ad9b738fb2a755323659be64eb16aa..791b440d4a7de4e923e4da6156ae3c6fbd86185b 100644
--- a/third_party/WebKit/Source/core/animation/AnimationStackTest.cpp
+++ b/third_party/WebKit/Source/core/animation/AnimationStackTest.cpp
@@ -11,7 +11,6 @@
 #include "core/animation/KeyframeEffectModel.h"
 #include "core/animation/LegacyStyleInterpolation.h"
 #include "core/animation/animatable/AnimatableDouble.h"
-#include "core/testing/DummyPageHolder.h"
 #include <gtest/gtest.h>
 
 namespace blink {
@@ -20,8 +19,7 @@
 protected:
     virtual void SetUp()
     {
-        pageHolder = DummyPageHolder::create();
-        document = &pageHolder->document();
+        document = Document::create();
         document->animationClock().resetTimeForTesting();
         timeline = AnimationTimeline::create(document.get());
         element = document->createElement("foo", ASSERT_NO_EXCEPTION);
@@ -37,7 +35,7 @@
 
     void updateTimeline(double time)
     {
-        document->animationClock().updateTime(document->timeline().zeroTime() + time);
+        document->animationClock().updateTime(time);
         timeline->serviceAnimations(TimingUpdateForAnimationFrame);
     }
 
@@ -79,7 +77,6 @@
         return toLegacyStyleInterpolation(interpolation).currentValue().get();
     }
 
-    OwnPtr<DummyPageHolder> pageHolder;
     RefPtrWillBePersistent<Document> document;
     Persistent<AnimationTimeline> timeline;
     RefPtrWillBePersistent<Element> element;