Delete FullscreenInfoBarDelegate class.

chrome/browser/android/fullscreen/fullscreen_infobar_delegate.h

-// 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.
-
-#ifndef CHROME_BROWSER_ANDROID_FULLSCREEN_FULLSCREEN_INFOBAR_DELEGATE_H_
-#define CHROME_BROWSER_ANDROID_FULLSCREEN_FULLSCREEN_INFOBAR_DELEGATE_H_
-
-#include <string>
-
-#include "base/android/jni_android.h"
-#include "base/android/scoped_java_ref.h"
-#include "base/macros.h"
-#include "components/infobars/core/confirm_infobar_delegate.h"
-#include "url/gurl.h"
-
-class InfoBarService;
-
-// Native part of FullscreenInfoBarDelegate.java. This class is responsible
-// for adding and removing the fullscreen infobar.
-class FullscreenInfoBarDelegate : public ConfirmInfoBarDelegate {
- public:
-  static bool RegisterFullscreenInfoBarDelegate(JNIEnv* env);
-
-  FullscreenInfoBarDelegate(JNIEnv* env, jobject obj, GURL origin);
-  ~FullscreenInfoBarDelegate() override;
-
-  // Called to close the infobar.
-  void CloseFullscreenInfoBar(JNIEnv* env,
-                              const base::android::JavaParamRef<jobject>& obj);
-
-  // ConfirmInfoBarDelegate:
-  infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
-  int GetIconId() const override;
-  base::string16 GetMessageText() const override;
-  base::string16 GetButtonLabel(InfoBarButton button) const override;
-  bool Accept() override;
-  bool Cancel() override;
-
- private:
-  base::android::ScopedJavaGlobalRef<jobject> j_delegate_;
-  GURL origin_;
-
-  DISALLOW_COPY_AND_ASSIGN(FullscreenInfoBarDelegate);
-};
-
-#endif  // CHROME_BROWSER_ANDROID_FULLSCREEN_FULLSCREEN_INFOBAR_DELEGATE_H_