adopt shrinkwrap in build

build/gulpfile.vscode.js

@@ -19,6 +19,7 @@ var remote = require('gulp-remote-src');
 var shell = require("gulp-shell");
 var _ = require('underscore');
 var packageJson = require('../package.json');
+var shrinkwrap = require('../npm-shrinkwrap.json');
 var util = require('./lib/util');
 var buildfile = require('../src/buildfile');
 var common = require('./gulpfile.common');
@@ -193,9 +194,8 @@ function packageTask(platform, arch, opts) {
 		var license = gulp.src(['Credits_*', 'LICENSE.txt', 'ThirdPartyNotices.txt', 'licenses/**'], { base: '.' });
 		var api = gulp.src('src/vs/vscode.d.ts').pipe(rename('out/vs/vscode.d.ts'));
 
-		var depsSrc = _.flatten(Object.keys(packageJson.dependencies).concat(Object.keys(packageJson.optionalDependencies))
-			.map(function (d) { return ['node_modules/' + d + '/**', '!node_modules/' + d + '/**/{test,tests}/**']; })
-		);
+		var depsSrc = _.flatten(Object.keys(shrinkwrap.dependencies)
+			.map(function (d) { return ['node_modules/' + d + '/**', '!node_modules/' + d + '/**/{test,tests}/**']; }));
 
 		var deps = gulp.src(depsSrc, { base: '.', dot: true })
 			.pipe(util.cleanNodeModule('fsevents', ['binding.gyp', 'fsevents.cc', 'build/**', 'src/**', 'test/**'], true))