Oilpan: Replace RefPtrs to Document in core/{accessibility,animation,fetch} with Oilpan transition …

Source/core/animation/AnimationStackTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/animation/AnimationStack.h"
 
 #include "core/animation/ActiveAnimations.h"
 #include "core/animation/AnimatableDouble.h"
 #include "core/animation/AnimationClock.h"
@@ skipping 58 matching lines @@
         timing.fillMode = Timing::FillModeBoth;
         timing.iterationDuration = duration;
         return Animation::create(element.get(), effect, timing);
     }
 
     AnimatableValue* interpolationValue(Interpolation* interpolation)
     {
         return toLegacyStyleInterpolation(interpolation)->currentValue().get();
     }
 
-    RefPtr<Document> document;
+    RefPtrWillBePersistent<Document> document;
     RefPtrWillBePersistent<AnimationTimeline> timeline;
     RefPtrWillBePersistent<Element> element;
 };
 
 TEST_F(AnimationAnimationStackTest, ActiveAnimationsSorted)
 {
     play(makeAnimation(makeAnimationEffect(CSSPropertyFontSize, AnimatableDouble::create(1))).get(), 10);
     play(makeAnimation(makeAnimationEffect(CSSPropertyFontSize, AnimatableDouble::create(2))).get(), 15);
     play(makeAnimation(makeAnimationEffect(CSSPropertyFontSize, AnimatableDouble::create(3))).get(), 5);
     WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<Interpolation> > result = AnimationStack::activeInterpolations(&element->activeAnimations()->defaultStack(), 0, 0, Animation::DefaultPriority, 0);
@@ skipping 64 matching lines @@
 
     updateTimeline(17);
     Heap::collectAllGarbage();
     interpolations = AnimationStack::activeInterpolations(&element->activeAnimations()->defaultStack(), 0, 0, Animation::DefaultPriority, 0);
     EXPECT_TRUE(interpolationValue(interpolations.get(CSSPropertyFontSize))->equals(AnimatableDouble::create(2).get()));
     EXPECT_EQ(1u, effects().size());
     EXPECT_EQ(6, effects()[0]->sortInfo().startTime());
 }
 
 }