Begin to remove heap/*

sky/engine/core/dom/DocumentTest.cpp

 /*
  * Copyright (c) 2014, 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 27 matching lines @@
 #include <gtest/gtest.h>
 
 using namespace blink;
 
 namespace {
 
 class DocumentTest : public ::testing::Test {
 protected:
     virtual void SetUp() override;
 
-#if ENABLE(OILPAN)
-    virtual void TearDown() override
-    {
-        Heap::collectAllGarbage();
-    }
-#endif
-
     Document& document() const { return m_dummyPageHolder->document(); }
     Page& page() const { return m_dummyPageHolder->page(); }
 
 private:
     OwnPtr<DummyPageHolder> m_dummyPageHolder;
 };
 
 void DocumentTest::SetUp()
 {
     m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
@@ skipping 68 matching lines @@
         ::testing::Mock::VerifyAndClearExpectations(observer2.get());
     }
 
     // observer2 destroyed
     EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateHidden)).Times(0);
     EXPECT_CALL(*observer1, didChangeVisibilityState(PageVisibilityStateVisible)).Times(1);
     page().setVisibilityState(PageVisibilityStateVisible, false);
 }
 
 } // unnamed namespace