Lazy load chrome.* APIs

chrome/renderer/resources/extensions/utils.js

Index: chrome/renderer/resources/extensions/utils.js
diff --git a/chrome/renderer/resources/extensions/utils.js b/chrome/renderer/resources/extensions/utils.js
index beb9a515f3fb73ad89c0a281766655cc36bf00d1..ed35e15f9fcf11e06d2a2a5792ff35c4a580d03a 100644
--- a/chrome/renderer/resources/extensions/utils.js
+++ b/chrome/renderer/resources/extensions/utils.js
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+var chrome = requireNative('chrome').GetChrome();
+
 function forEach(dict, f) {
   for (var key in dict) {
     if (dict.hasOwnProperty(key))
@@ -25,5 +27,16 @@ function lookup(array_of_dictionaries, field, value) {
   }
 }
 
+// Specify |currentApi| if this should return an API for $refs in the current
+// namespace.
+function loadRefDependency(ref, currentApi) {
+  var parts = ref.split(".");
+  if (parts.length > 1)
+    return chrome[parts.slice(0, parts.length - 1).join(".")];
+  else
+    return currentApi;
+}
+
 exports.forEach = forEach;
+exports.loadRefDependency = loadRefDependency;
 exports.lookup = lookup;