Add CefSettings.PersistUserPreferences

Add RequestContextSettings.PersistUserPreferences

To persist user preferences as a JSON file in the cache path directory set this value to true

Author: amaitland

CefSharp.Core/CefSettings.h

@@ -314,6 +314,20 @@ namespace CefSharp
             void set(bool value) { _cefSettings->persist_session_cookies = value; }
         }
 
+        /// <summary>
+        /// To persist user preferences as a JSON file in the cache path directory set
+        /// this value to true. A CachePath value must also be specified
+        /// to enable this feature. Also configurable using the
+        /// "persist-user-preferences" command-line switch. Can be overridden for
+        /// individual RequestContext instances via the
+        /// RequestContextSettings.PersistUserPreferences value.
+        /// </summary>
+        property bool PersistUserPreferences
+        {
+            bool get() { return _cefSettings->persist_user_preferences == 1; }
+            void set(bool value) { _cefSettings->persist_user_preferences = value; }
+        }
+        
         /// <summary>
         /// Comma delimited ordered list of language codes without any whitespace that
         /// will be used in the "Accept-Language" HTTP header. May be set globally

CefSharp.Core/RequestContextSettings.h

@@ -49,6 +49,18 @@ namespace CefSharp
             void set(bool value) { _settings->persist_session_cookies = value; }
         }
 
+        /// <summary>
+        /// To persist user preferences as a JSON file in the cache path directory set
+        /// this value to true. Can be set globally using the
+        /// CefSettings.PersistUserPreferences value. This value will be ignored if
+        /// CachePath is empty or if it matches the CefSettings.CachePath value.
+        /// </summary>
+        property bool PersistUserPreferences
+        {
+            bool get() { return _settings->persist_user_preferences == 1; }
+            void set(bool value) { _settings->persist_user_preferences = value; }
+        }
+
         /// <summary>
         /// The location where cache data will be stored on disk. If empty then
         /// browsers will be created in "incognito mode" where in-memory caches are