Chrome Cleaner UI: Add a dialog class for the new UI

chrome/browser/ui/views/srt_prompt_dialog_browsertest.cc

+// Copyright 2017 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 "chrome/browser/ui/views/srt_prompt_dialog.h"
+
+#include "base/macros.h"
+#include "chrome/browser/safe_browsing/srt_prompt_controller.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_dialogs.h"
+#include "chrome/browser/ui/test/test_browser_dialog.h"
+#include "content/public/test/browser_test.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+class SRTPromptDialogTest : public DialogBrowserTest {
+ public:
+  SRTPromptDialogTest() {}
+
+  void ShowDialog(const std::string& name) override {
+    chrome::ShowSRTPrompt(browser(), new safe_browsing::SRTPromptController());
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SRTPromptDialogTest);
+};
+
+IN_PROC_BROWSER_TEST_F(SRTPromptDialogTest, InvokeDialog_default) {
+  RunDialog();
+}
+
+}  // namespace