fix(WebWorker): remove the platform-browser dependency on compiler

modules/@angular/platform-browser-dynamic/testing/dom_test_component_renderer.ts

@@ -0,0 +1,24 @@
+import {Inject, Injectable} from '@angular/core';
+import {DOCUMENT} from '@angular/platform-browser';
+import {getDOM} from '../platform_browser_private';
+import {TestComponentRenderer} from '@angular/compiler/testing';
+import {el} from '@angular/platform-browser/testing';
+
+/**
+ * A DOM based implementation of the TestComponentRenderer.
+ */
+@Injectable()
+export class DOMTestComponentRenderer extends TestComponentRenderer {
+  constructor(@Inject(DOCUMENT) private _doc) { super(); }
+
+  insertRootElement(rootElId: string) {
+    let rootEl = el(`<div id="${rootElId}"></div>`);
+
+    // TODO(juliemr): can/should this be optional?
+    let oldRoots = getDOM().querySelectorAll(this._doc, '[id^=root]');
+    for (let i = 0; i < oldRoots.length; i++) {
+      getDOM().remove(oldRoots[i]);
+    }
+    getDOM().appendChild(this._doc.body, rootEl);
+  }
+}