Eliminate unnecessary forward declarations from components/password_manager

components/password_manager/core/browser/password_manager_unittest.cc

 // Copyright (c) 2012 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 "components/password_manager/core/browser/password_manager.h"
 
 #include <string>
 #include <vector>
 
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/password_manager/core/browser/mock_password_store.h"
 #include "components/password_manager/core/browser/password_autofill_manager.h"
 #include "components/password_manager/core/browser/password_manager_driver.h"
 #include "components/password_manager/core/browser/password_store.h"
 #include "components/password_manager/core/browser/stub_password_manager_client.h"
 #include "components/password_manager/core/browser/stub_password_manager_driver.h"
 #include "components/password_manager/core/common/password_manager_pref_names.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-class PasswordGenerationManager;
-
 using autofill::PasswordForm;
 using base::ASCIIToUTF16;
 using testing::_;
 using testing::AnyNumber;
 using testing::DoAll;
 using testing::Exactly;
 using testing::Return;
 using testing::WithArg;
 
-namespace autofill {
-class AutofillManager;
-}
-
 namespace password_manager {
 
 namespace {
 
 class MockPasswordManagerClient : public StubPasswordManagerClient {
  public:
   MOCK_CONST_METHOD0(IsPasswordManagerEnabledForCurrentPage, bool());
   MOCK_CONST_METHOD2(IsSyncAccountCredential,
                      bool(const std::string&, const std::string&));
   MOCK_METHOD1(PromptUserToSavePasswordPtr, void(PasswordFormManager*));
@@ skipping 814 matching lines @@
                                      true);  // The post-navigation layout.
 
   ASSERT_TRUE(form_to_save.get());
   EXPECT_CALL(*store_.get(), AddLogin(FormMatches(form)));
 
   // Simulate saving the form, as if the info bar was accepted.
   form_to_save->Save();
 }
 
 }  // namespace password_manager