Dart: Reorganize files

mojo/dart/embedder/test/dart_test.h

-// Copyright 2015 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.
-
-#ifndef MOJO_DART_EMBEDDER_TEST_DART_TEST_H_
-#define MOJO_DART_EMBEDDER_TEST_DART_TEST_H_
-
-#include "base/bind.h"
-#include "base/files/file_path.h"
-#include "base/path_service.h"
-#include "base/rand_util.h"
-#include "mojo/dart/embedder/dart_controller.h"
-#include "mojo/public/c/system/types.h"
-#include "mojo/public/cpp/environment/environment.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace mojo {
-namespace dart {
-
-class DartTest : public testing::Test {
- public:
-  DartTest() {}
-
-  static void SetUpTestCase() {
-    DartController::Initialize(nullptr, true, false, nullptr, 0);
-  }
-
-  static void TearDownTestCase() {
-    DartController::Shutdown();
-  }
-
-  void RunDartTest(const base::FilePath& path,
-                   const std::vector<std::string>& script_arguments,
-                   bool compile_all,
-                   bool expect_unhandled_exception,
-                   int expected_unclosed_handles);
-
- protected:
-  static bool GenerateEntropy(uint8_t* buffer, intptr_t length) {
-    base::RandBytes(static_cast<void*>(buffer), length);
-    return true;
-  }
-
-  static void ExceptionCallback(bool* exception,
-                                int64_t* closed_handles,
-                                Dart_Handle error,
-                                int64_t count) {
-    EXPECT_TRUE(Dart_IsError(error));
-    *exception = true;
-    *closed_handles = count;
-  }
-};
-
-}  // namespace dart
-}  // namespace mojo
-
-#endif  // MOJO_DART_EMBEDDER_TEST_DART_TEST_H_