cros: Remove unused inline_login_handler_chromeos.h/cc files.

chrome/browser/ui/webui/chromeos/login/inline_login_handler_chromeos.h

-// Copyright 2013 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_WEBUI_CHROMEOS_LOGIN_INLINE_LOGIN_HANDLER_CHROMEOS_H_
-#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_INLINE_LOGIN_HANDLER_CHROMEOS_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "chrome/browser/ui/webui/signin/inline_login_handler.h"
-
-namespace chromeos {
-
-class OAuth2TokenFetcher;
-
-// Implementation for the inline login WebUI handler on ChromeOS.
-class InlineLoginHandlerChromeOS : public ::InlineLoginHandler {
- public:
-  InlineLoginHandlerChromeOS();
-  ~InlineLoginHandlerChromeOS() override;
-
- private:
-  class InlineLoginUIOAuth2Delegate;
-
-  // InlineLoginHandler overrides:
-  void CompleteLogin(const base::ListValue* args) override;
-
-  std::unique_ptr<InlineLoginUIOAuth2Delegate> oauth2_delegate_;
-  std::unique_ptr<chromeos::OAuth2TokenFetcher> oauth2_token_fetcher_;
-
-  DISALLOW_COPY_AND_ASSIGN(InlineLoginHandlerChromeOS);
-};
-
-} // namespace chromeos
-
-#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_INLINE_LOGIN_HANDLER_CHROMEOS_H_