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

Source/core/animation/AnimationTest.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/Animation.h"
 
 #include "bindings/v8/Dictionary.h"
 #include "core/animation/AnimationClock.h"
 #include "core/animation/AnimationHelpers.h"
@@ skipping 10 matching lines @@
 class AnimationAnimationTest : public ::testing::Test {
 protected:
     AnimationAnimationTest()
         : document(Document::create())
         , element(document->createElement("foo", ASSERT_NO_EXCEPTION))
     {
         document->animationClock().resetTimeForTesting();
         EXPECT_EQ(0, document->timeline().currentTime());
     }
 
-    RefPtr<Document> document;
+    RefPtrWillBePersistent<Document> document;
     RefPtrWillBePersistent<Element> element;
     TrackExceptionState exceptionState;
 };
 
 class AnimationAnimationV8Test : public AnimationAnimationTest {
 protected:
     AnimationAnimationV8Test()
         : m_isolate(v8::Isolate::GetCurrent())
         , m_scope(m_isolate)
     {
@@ skipping 415 matching lines @@
     EXPECT_EQ(element.get(), animation->target());
     document->timeline().play(animation.get());
     document.clear();
     element.clear();
 #if !ENABLE(OILPAN)
     EXPECT_EQ(0, animation->target());
 #endif
 }
 
 } // namespace WebCore