Refactor the Heap into ThreadHeap to prepare for per thread heaps

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

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 718 matching lines @@
 {
     RefPtrWillBePersistent<Element> element = document->createElement("foo", ASSERT_NO_EXCEPTION);
 
     Timing timing;
     KeyframeEffect* keyframeEffect = KeyframeEffect::create(element.get(), nullptr, timing);
     Animation* animation = timeline->play(keyframeEffect);
     simulateFrame(0);
     timeline->serviceAnimations(TimingUpdateForAnimationFrame);
     EXPECT_EQ(1U, element->elementAnimations()->animations().find(animation)->value);
 
-    Heap::collectAllGarbage();
+    ThreadHeap::collectAllGarbage();
     EXPECT_TRUE(element->elementAnimations()->animations().isEmpty());
 }
 
 TEST_F(AnimationAnimationTest, HasLowerPriority)
 {
     Animation* animation1 = timeline->play(0);
     Animation* animation2 = timeline->play(0);
     EXPECT_TRUE(Animation::hasLowerPriority(animation1, animation2));
 }
 
@@ skipping 66 matching lines @@
     EXPECT_EQ(Animation::Idle, animation->playStateInternal());
     EXPECT_TRUE(std::isnan(animation->currentTime()));
     EXPECT_TRUE(std::isnan(animation->startTime()));
     animation->pause();
     EXPECT_EQ(Animation::Pending, animation->playStateInternal());
     EXPECT_EQ(0, animation->currentTime());
     EXPECT_TRUE(std::isnan(animation->startTime()));
 }
 
 } // namespace blink