[subresource_filter] Always display the default setting in Android Page Info

chrome/browser/ui/android/page_info/page_info_popup_android.h

 // Copyright (c) 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_PAGE_INFO_PAGE_INFO_POPUP_ANDROID_H_
 #define CHROME_BROWSER_UI_ANDROID_PAGE_INFO_PAGE_INFO_POPUP_ANDROID_H_
 
 #include <jni.h>
 
 #include <memory>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/macros.h"
+#include "base/optional.h"
 #include "chrome/browser/ui/page_info/page_info_ui.h"
 
 namespace content {
 class WebContents;
 }
 
 class SearchGeolocationService;
 
 // A Java counterpart will be generated for this enum.
 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser
@@ skipping 20 matching lines @@
 
   // PageInfoUI implementations.
   void SetCookieInfo(const CookieInfoList& cookie_info_list) override;
   void SetPermissionInfo(const PermissionInfoList& permission_info_list,
                          ChosenObjectInfoList chosen_object_info_list) override;
   void SetIdentityInfo(const IdentityInfo& identity_info) override;
 
   static bool RegisterPageInfoPopupAndroid(JNIEnv* env);
 
  private:
+  // Returns an optional value which is set if this permission should be
+  // displayed in Page Info. Most permissions will only be displayed if they are
+  // set to some non-default value, but there are some permissions which require
+  // customized behavior.
+  base::Optional<ContentSetting> GetSettingToDisplay(
+      const PermissionInfo& permission);
+
   // The presenter that controlls the Page Info UI.
   std::unique_ptr<PageInfo> presenter_;
 
   // The java prompt implementation.
   base::android::ScopedJavaGlobalRef<jobject> popup_jobject_;
 
   // Owned by the profile.
   SearchGeolocationService* search_geolocation_service_;
 
   GURL url_;
 
   DISALLOW_COPY_AND_ASSIGN(PageInfoPopupAndroid);
 };
 
 #endif  // CHROME_BROWSER_UI_ANDROID_PAGE_INFO_PAGE_INFO_POPUP_ANDROID_H_