Properly delete the unused policy in password_manager_handler_unittest.cc

chrome/browser/ui/webui/options/password_manager_handler_unittest.cc

 // Copyright 2016 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/webui/options/password_manager_handler.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
 #include "chrome/browser/ui/passwords/password_manager_presenter.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/password_manager/core/browser/mock_password_store.h"
 #include "components/password_manager/core/browser/password_manager_test_utils.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "content/public/test/test_web_ui.h"
 #include "content/public/test/web_contents_tester.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 #include "ui/shell_dialogs/select_file_dialog_factory.h"
 #include "ui/shell_dialogs/select_file_policy.h"
 
 using password_manager::MockPasswordStore;
 
 namespace {
+
 class TestSelectFileDialogFactory final : public ui::SelectFileDialogFactory {
  public:
   TestSelectFileDialogFactory() {}
   ~TestSelectFileDialogFactory() override {}
   ui::SelectFileDialog* Create(ui::SelectFileDialog::Listener* listener,
                                ui::SelectFilePolicy* policy) override {
+    delete policy;  // Ignore the policy, replace it with a test one.
     return new TestSelectFileDialog(listener, new TestSelectFilePolicy);
   }
 
  private:
   class TestSelectFilePolicy : public ui::SelectFilePolicy {
    public:
     bool CanOpenSelectFileDialog() override { return true; }
     void SelectFileDenied() override {}
   };
 
@@ skipping 187 matching lines @@
               IsUserAuthenticated())
       .Times(testing::AtLeast(1))
       .WillRepeatedly(testing::Return(true));
   EXPECT_CALL(
       *handler_,
       FileSelected(IsEmptyPath(), 1,
                    reinterpret_cast<void*>(
                        TestPasswordManagerHandler::EXPORT_FILE_SELECTED)));
   ExportPassword();
 }