[Foundation] Fix NSUrlSessionHandler.[Un]schedule overloads to have the correct signature for .NET. (#13458)

src/Foundation/NSUrlSessionHandler.cs

@@ -1288,10 +1288,16 @@ namespace Foundation {
 				return base.SetCFClientFlags (inFlags, inCallback, inContextPtr);
 			}
 
+#if NET
+			public override void Schedule (NSRunLoop aRunLoop, NSString nsMode)
+#else
 			public override void Schedule (NSRunLoop aRunLoop, string mode)
+#endif
 			{
 				var cfRunLoop = aRunLoop.GetCFRunLoop ();
+#if !NET
 				var nsMode = new NSString (mode);
+#endif
 
 				cfRunLoop.AddSource (source, nsMode);
 
@@ -1303,10 +1309,16 @@ namespace Foundation {
 				notifying = false;
 			}
 
+#if NET
+			public override void Unschedule (NSRunLoop aRunLoop, NSString nsMode)
+#else
 			public override void Unschedule (NSRunLoop aRunLoop, string mode)
+#endif
 			{
 				var cfRunLoop = aRunLoop.GetCFRunLoop ();
+#if !NET
 				var nsMode = new NSString (mode);
+#endif
 
 				cfRunLoop.RemoveSource (source, nsMode);
 			}

src/foundation.cs

@@ -8149,7 +8149,7 @@ namespace Foundation
 		[Export ("setProperty:forKey:")]
 		bool SetProperty ([NullAllowed] NSObject property, NSString key);
 	
-#if XAMCORE_4_0
+#if NET
 		[Export ("scheduleInRunLoop:forMode:")]
 		void Schedule (NSRunLoop aRunLoop, NSString mode);
 
@@ -8162,10 +8162,10 @@ namespace Foundation
 		[Export ("removeFromRunLoop:forMode:")]
 		void Unschedule (NSRunLoop aRunLoop, string mode);
 #endif
-		[Wrap ("Schedule (aRunLoop, mode.GetConstant ())")]
+		[Wrap ("Schedule (aRunLoop, mode.GetConstant ()!)")]
 		void Schedule (NSRunLoop aRunLoop, NSRunLoopMode mode);
 
-		[Wrap ("Unschedule (aRunLoop, mode.GetConstant ())")]
+		[Wrap ("Unschedule (aRunLoop, mode.GetConstant ()!)")]
 		void Unschedule (NSRunLoop aRunLoop, NSRunLoopMode mode);
 
 		[Export ("streamStatus")]
@@ -10460,7 +10460,7 @@ namespace Foundation
 		[Protocolize]
 		NSNetServiceDelegate Delegate { get; set; }
 
-#if XAMCORE_4_0
+#if NET
 		[Export ("scheduleInRunLoop:forMode:")]
 		void Schedule (NSRunLoop aRunLoop, NSString forMode);
 
@@ -10590,7 +10590,7 @@ namespace Foundation
 		[Protocolize]
 		NSNetServiceBrowserDelegate Delegate { get; set; }
 
-#if XAMCORE_4_0
+#if NET
 		[Export ("scheduleInRunLoop:forMode:")]
 		void Schedule (NSRunLoop aRunLoop, NSString forMode);
 
@@ -10606,10 +10606,10 @@ namespace Foundation
 		void Unschedule (NSRunLoop aRunLoop, string forMode);
 #endif
 
-		[Wrap ("Schedule (aRunLoop, forMode.GetConstant ())")]
+		[Wrap ("Schedule (aRunLoop, forMode.GetConstant ()!)")]
 		void Schedule (NSRunLoop aRunLoop, NSRunLoopMode forMode);
 
-		[Wrap ("Unschedule (aRunLoop, forMode.GetConstant ())")]
+		[Wrap ("Unschedule (aRunLoop, forMode.GetConstant ()!)")]
 		void Unschedule (NSRunLoop aRunLoop, NSRunLoopMode forMode);
 
 		[Export ("searchForBrowsableDomains")]