Move wtf_unittests to platform/wtf/.

third_party/WebKit/Source/wtf/RefPtrTest.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 "wtf/RefPtr.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-#include "wtf/RefCounted.h"
-#include "wtf/text/StringImpl.h"
-
-namespace WTF {
-
-TEST(RefPtrTest, Basic) {
-  RefPtr<StringImpl> string;
-  EXPECT_TRUE(!string);
-  string = StringImpl::create("test");
-  EXPECT_TRUE(!!string);
-  string.clear();
-  EXPECT_TRUE(!string);
-}
-
-TEST(RefPtrTest, LeakRef) {
-  RefPtr<StringImpl> string = StringImpl::create("test");
-  EXPECT_TRUE(string);
-  EXPECT_TRUE(string->hasOneRef());
-  StringImpl* raw = string.get();
-  StringImpl* leaked = string.leakRef();
-  EXPECT_TRUE(!string);
-  EXPECT_TRUE(leaked);
-  EXPECT_TRUE(leaked->hasOneRef());
-  EXPECT_EQ(raw, leaked);
-  leaked->deref();
-}
-
-TEST(RefPtrTest, MoveAssignmentOperator) {
-  RefPtr<StringImpl> a = StringImpl::create("a");
-  RefPtr<StringImpl> b = StringImpl::create("b");
-  b = std::move(a);
-  EXPECT_TRUE(!!b);
-  EXPECT_TRUE(!a);
-}
-
-class RefCountedClass : public RefCounted<RefCountedClass> {};
-
-TEST(RefPtrTest, ConstObject) {
-  // This test is only to ensure we force the compilation of a const RefCounted
-  // object to ensure the generated code compiles.
-  RefPtr<const RefCountedClass> ptrToConst = adoptRef(new RefCountedClass());
-}
-
-}  // namespace WTF