Merge heap unit tests into src.

test/heap-unittests/heap-unittests.cc

-// Copyright 2014 the V8 project 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 "include/libplatform/libplatform.h"
-#include "include/v8.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-using testing::IsNull;
-using testing::NotNull;
-
-namespace {
-
-class HeapTestEnvironment V8_FINAL : public ::testing::Environment {
- public:
-  HeapTestEnvironment() : platform_(NULL) {}
-  virtual ~HeapTestEnvironment() {}
-
-  virtual void SetUp() V8_OVERRIDE {
-    EXPECT_THAT(platform_, IsNull());
-    platform_ = v8::platform::CreateDefaultPlatform();
-    v8::V8::InitializePlatform(platform_);
-    ASSERT_TRUE(v8::V8::Initialize());
-  }
-
-  virtual void TearDown() V8_OVERRIDE {
-    ASSERT_THAT(platform_, NotNull());
-    v8::V8::Dispose();
-    v8::V8::ShutdownPlatform();
-    delete platform_;
-    platform_ = NULL;
-  }
-
- private:
-  v8::Platform* platform_;
-};
-
-}  // namespace
-
-
-int main(int argc, char** argv) {
-  testing::InitGoogleMock(&argc, argv);
-  testing::AddGlobalTestEnvironment(new HeapTestEnvironment);
-  v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
-  return RUN_ALL_TESTS();
-}