Enable the optional permission prompt persistence toggle on grouped infobars

chrome/browser/ui/android/infobars/grouped_permission_infobar.h

 // Copyright 2016 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_GROUPED_PERMISSION_INFOBAR_H_
 #define CHROME_BROWSER_UI_ANDROID_INFOBARS_GROUPED_PERMISSION_INFOBAR_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
 #include "chrome/browser/ui/android/infobars/confirm_infobar.h"
 
 class GroupedPermissionInfoBarDelegate;
 
 class GroupedPermissionInfoBar : public ConfirmInfoBar {
  public:
   explicit GroupedPermissionInfoBar(
       std::unique_ptr<GroupedPermissionInfoBarDelegate> delegate);
   ~GroupedPermissionInfoBar() override;
 
   void SetPermissionState(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
       const base::android::JavaParamRef<jbooleanArray>& permissions);
 
   static bool Register(JNIEnv* env);
 
  private:
+  void ProcessButton(int action) override;
+
   // InfoBarAndroid:
   base::android::ScopedJavaLocalRef<jobject> CreateRenderInfoBar(
       JNIEnv* env) override;
   void SetJavaInfoBar(
       const base::android::JavaRef<jobject>& java_info_bar) override;
 
   GroupedPermissionInfoBarDelegate* GetDelegate();
 
   DISALLOW_COPY_AND_ASSIGN(GroupedPermissionInfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_ANDROID_INFOBARS_GROUPED_PERMISSION_INFOBAR_H_