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

modules/@angular/facade/src/lang.dart

@@ -252,6 +252,10 @@ class FunctionWrapper {
   static apply(Function fn, posArgs) {
     return Function.apply(fn, posArgs);
   }
+
+  static Function bind(Function fn, dynamic scope) {
+    return fn;
+  }
 }
 
 const _NAN_KEY = const Object();

modules/@angular/facade/src/lang.ts

@@ -379,6 +379,8 @@ export class RegExpMatcherWrapper {
 
 export class FunctionWrapper {
   static apply(fn: Function, posArgs: any): any { return fn.apply(null, posArgs); }
+
+  static bind(fn: Function, scope: any): Function { return fn.bind(scope); }
 }
 
 // JS has NaN !== NaN