remove asJson header restriction

src/vs/base/node/request.ts

@@ -165,13 +165,15 @@ export function asJson<T>(context: IRequestContext): TPromise<T> {
 			return c(null);
 		}
 
-		if (!/application\/json/.test(context.res.headers['content-type'])) {
-			return e('Response doesn\'t appear to be JSON');
-		}
-
 		const buffer: string[] = [];
 		context.stream.on('data', (d: string) => buffer.push(d));
-		context.stream.on('end', () => c(JSON.parse(buffer.join(''))));
+		context.stream.on('end', () => {
+			try {
+				c(JSON.parse(buffer.join('')));
+			} catch (err) {
+				e(err);
+			}
+		});
 		context.stream.on('error', e);
 	});
 }