chrome: Cleanup class/struct forward declarations

chrome/browser/ui/passwords/manage_passwords_test.h

 // Copyright 2014 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 CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_TEST_H_
 #define CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_TEST_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/test/histogram_tester.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "components/autofill/core/common/password_form.h"
 #include "components/password_manager/core/common/credential_manager_types.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
-class GURL;
 class ManagePasswordsIconView;
 class PasswordsClientUIDelegate;
 
 // Test class for the various password management view bits and pieces. Provides
 // some helper methods to poke at the bubble, icon, and controller's state.
 class ManagePasswordsTest : public InProcessBrowserTest {
  public:
   ManagePasswordsTest();
   ~ManagePasswordsTest();
 
@@ skipping 31 matching lines @@
                void(const password_manager::CredentialInfo&));
 
  private:
   autofill::PasswordForm test_form_;
   base::HistogramTester histogram_tester_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagePasswordsTest);
 };
 
 #endif  // CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_TEST_H_