Strict null work for exthost

src/vs/workbench/api/node/extHostDocumentSaveParticipant.ts

@@ -63,7 +63,7 @@ export class ExtHostDocumentSaveParticipant implements ExtHostDocumentSavePartic
 					return undefined;
 				}
 
-				const document = this._documents.getDocumentData(resource).document;
+				const document = this._documents.getDocument(resource);
 				return this._deliverEventAsyncAndBlameBadListeners(listener, <any>{ document, reason: TextDocumentSaveReason.to(reason) });
 			};
 		}));

src/vs/workbench/api/node/extHostTypeConverters.ts

@@ -812,7 +812,7 @@ export namespace DocumentLink {
 	}
 
 	export function to(link: modes.ILink): vscode.DocumentLink {
-		let target = undefined;
+		let target: URI | undefined = undefined;
 		if (link.url) {
 			try {
 				target = typeof link.url === 'string' ? URI.parse(link.url, true) : URI.revive(link.url);