[SafeBrowsing] Alternate extensions should also be subject to block list.

chrome/test/ppapi/ppapi_filechooser_browsertest.cc

 // 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.
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 291 matching lines @@
 IN_PROC_BROWSER_TEST_F(PPAPIFileChooserTest,
                        FileChooser_SaveAs_DangerousExecutable_Disallowed) {
   base::CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kDisallowUncheckedDangerousDownloads);
   TestSelectFileDialogFactory test_dialog_factory(
       TestSelectFileDialogFactory::NOT_REACHED,
       TestSelectFileDialogFactory::SelectedFileInfoList());
   RunTestViaHTTP("FileChooser_SaveAsDangerousExecutableDisallowed");
 }
 
+IN_PROC_BROWSER_TEST_F(PPAPIFileChooserTest,
+                       FileChooser_SaveAs_DangerousExtensionList_Disallowed) {
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kDisallowUncheckedDangerousDownloads);
+  TestSelectFileDialogFactory test_dialog_factory(
+      TestSelectFileDialogFactory::NOT_REACHED,
+      TestSelectFileDialogFactory::SelectedFileInfoList());
+  RunTestViaHTTP("FileChooser_SaveAsDangerousExtensionListDisallowed");
+}
+
 // The kDisallowUncheckedDangerousDownloads switch (whose behavior is verified
 // by the FileChooser_SaveAs_DangerousExecutable_Disallowed test above) should
 // block the file being downloaded. However, the FakeDatabaseManager reports
 // that the requestors document URL matches the Safe Browsing whitelist. Hence
 // the download succeeds.
 IN_PROC_BROWSER_TEST_F(PPAPIFileChooserTestWithSBService,
                        FileChooser_SaveAs_DangerousExecutable_Whitelist) {
   base::CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kDisallowUncheckedDangerousDownloads);
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   base::FilePath suggested_filename = temp_dir.path().AppendASCII("foo");
 
   TestSelectFileDialogFactory::SelectedFileInfoList file_info_list;
   file_info_list.push_back(
       ui::SelectedFileInfo(suggested_filename, suggested_filename));
   TestSelectFileDialogFactory test_dialog_factory(
       TestSelectFileDialogFactory::REPLACE_BASENAME, file_info_list);
 
   RunTestViaHTTP("FileChooser_SaveAsDangerousExecutableAllowed");
   base::FilePath actual_filename = temp_dir.path().AppendASCII("dangerous.exe");
 
   ASSERT_TRUE(base::PathExists(actual_filename));
   std::string file_contents;
   ASSERT_TRUE(base::ReadFileToString(actual_filename, &file_contents, 100));
   EXPECT_EQ("Hello from PPAPI", file_contents);
 }
 
 #endif  // FULL_SAFE_BROWSING