Core - Add IRequestContext.IsDisposed

Author: amaitland

CefSharp.Core/RequestContext.cs

@@ -75,6 +75,12 @@ public string CachePath
             get { return requestContext.CachePath; }
         }
 
+        /// <inheritdoc/>
+        public bool IsDisposed
+        {
+            get { return requestContext.IsDisposed; }
+        }
+
         /// <inheritdoc/>
         public bool IsSame(IRequestContext context)
         {

CefSharp/IRequestContext.cs

@@ -21,6 +21,10 @@ namespace CefSharp
     /// </summary>
     public interface IRequestContext : IDisposable
     {
+        /// <summary>
+        /// Gets a value indicating whether the RequestContext has been disposed of.
+        /// </summary>
+        bool IsDisposed { get; }
         /// <summary>
         /// Returns true if this object is pointing to the same context object.
         /// </summary>