[SafeBrowsing] Block dangerous unchecked downloads based on a Finch trial.

ppapi/tests/test_file_chooser.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 PPAPI_TESTS_TEST_FILE_CHOOSER_H_
+#define PPAPI_TESTS_TEST_FILE_CHOOSER_H_
+
+#include "ppapi/tests/test_case.h"
+
+namespace pp {
+class FileRef;
+}
+
+class TestFileChooser : public TestCase {
+ public:
+  TestFileChooser(TestingInstance* instance) : TestCase(instance) {}
+
+  // TestCase
+  bool Init() override;
+  void RunTests(const std::string& filter);
+
+ private:
+  // Writes the string "Hello from PPAPI" into the file represented by
+  // |file_ref|. Returns true on success.
+  bool WriteDefaultContentsToFile(const pp::FileRef& file_ref);
+
+  std::string TestOpenSimple();
+  std::string TestOpenCancel();
+  std::string TestSaveAsSafeDefaultName();
+  std::string TestSaveAsUnsafeDefaultName();
+  std::string TestSaveAsCancel();
+  std::string TestSaveAsDangerousExecutableAllowed();
+  std::string TestSaveAsDangerousExecutableDisallowed();
+};
+
+#endif  // PPAPI_TESTS_TEST_FILE_CHOOSER_H_