JS Interop Facade generation polish.

test/test_support.ts

 /// <reference path="../typings/chai/chai.d.ts"/>
 /// <reference path="../typings/mocha/mocha.d.ts"/>
 /// <reference path="../typings/node/node.d.ts"/>
 import chai = require('chai');
 import fs = require('fs');
 import main = require('../lib/main');
 import ts = require('typescript');
 
 export type StringMap = {
   [k: string]: string
@@ skipping 65 matching lines @@
   } else {
     namesToContent = contents;
   }
   options.enforceUnderscoreConventions = true;
   let transpiler = new main.Transpiler(options);
   let program = parseFiles(namesToContent);
   return transpiler.translateProgram(program);
 }
 
 export function translateSource(contents: Input, options: main.TranspilerOptions = {}): string {
-  options.useHtml = true;
-
   let results = translateSources(contents, options);
   // Return the main outcome, from 'main.ts'.
   let result = results[FAKE_MAIN];
   // strip out the package:js import as it clutters the output.
   result = result.replace(/import "package:js\/js.dart";\s+/g, '');
-  result = result.replace(/^@JS\(\)\s+library [^;]+;\s+/g, '');
+  result = result.replace(/^@JS\("?[^)]*"?\)\s+library [^;]+;\s+/g, '');
   return result.trim();
 }