From 6e842fc5bf0c3cb06c964400b6cf1bf3db01e18e Mon Sep 17 00:00:00 2001
From: Alex Eagle <eagle@post.harvard.edu>
Date: Thu, 11 Aug 2016 15:04:00 -0700
Subject: [PATCH] feat(ngc): allow ngc implementations to provide XHR (#10708)

---
 modules/@angular/compiler-cli/src/codegen.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/@angular/compiler-cli/src/codegen.ts b/modules/@angular/compiler-cli/src/codegen.ts
index be828aa609..8c468fb830 100644
--- a/modules/@angular/compiler-cli/src/codegen.ts
+++ b/modules/@angular/compiler-cli/src/codegen.ts
@@ -118,8 +118,8 @@ export class CodeGenerator {
 
   static create(
       options: AngularCompilerOptions, program: ts.Program, compilerHost: ts.CompilerHost,
-      reflectorHostContext?: ReflectorHostContext): CodeGenerator {
-    const xhr: compiler.XHR = {
+      reflectorHostContext?: ReflectorHostContext, xhr?: compiler.XHR): CodeGenerator {
+    xhr = xhr || {
       get: (s: string) => {
         if (!compilerHost.fileExists(s)) {
           // TODO: We should really have a test for error cases like this!