Add a feature to display a persistence toggle for permission prompts on Android.

chrome/browser/ui/android/infobars/confirm_infobar.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_ANDROID_INFOBARS_CONFIRM_INFOBAR_H_
 #define CHROME_BROWSER_UI_ANDROID_INFOBARS_CONFIRM_INFOBAR_H_
 
+#include "base/android/scoped_java_ref.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/ui/android/infobars/infobar_android.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
 
 class ConfirmInfoBar : public InfoBarAndroid {
  public:
   explicit ConfirmInfoBar(std::unique_ptr<ConfirmInfoBarDelegate> delegate);
   ~ConfirmInfoBar() override;
 
  protected:
   base::string16 GetTextFor(ConfirmInfoBarDelegate::InfoBarButton button);
   ConfirmInfoBarDelegate* GetDelegate();
   void OnLinkClicked(JNIEnv* env,
                      const base::android::JavaParamRef<jobject>& obj) override;
   base::android::ScopedJavaLocalRef<jobject> GetWindowAndroid();
 
   // InfoBarAndroid overrides.
   base::android::ScopedJavaLocalRef<jobject> CreateRenderInfoBar(
       JNIEnv* env) override;
 
- private:
   void ProcessButton(int action) override;
 
+ private:
   DISALLOW_COPY_AND_ASSIGN(ConfirmInfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_ANDROID_INFOBARS_CONFIRM_INFOBAR_H_