Lazy load chrome.* APIs

chrome/renderer/resources/extensions/json_schema.js

Index: chrome/renderer/resources/extensions/json_schema.js
diff --git a/chrome/renderer/resources/extensions/json_schema.js b/chrome/renderer/resources/extensions/json_schema.js
index 414356c88fc7e91f30eabc263b3efd2bd6c399cf..5f0f9279b533d39453832a6f47f29e2246955f4a 100644
--- a/chrome/renderer/resources/extensions/json_schema.js
+++ b/chrome/renderer/resources/extensions/json_schema.js
@@ -38,7 +38,11 @@
 //   additional properties will be validated.
 //==============================================================================
 
+// TODO: Make this file not depend on chromeHidden.
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
+var loadRefDependency = require('utils').loadRefDependency;
+
+var DCHECK = requireNative('logging').DCHECK;
 
 function isInstanceOfClass(instance, className) {
   if (!instance)
@@ -240,6 +244,7 @@ chromeHidden.JSONSchemaValidator.prototype.validate =
   // If the schema has a $ref property, the instance must validate against
   // that schema too. It must be present in this.types to be referenced.
   if (schema["$ref"]) {
+    loadRefDependency(schema["$ref"]);
     if (!this.types[schema["$ref"]])
       this.addError(path, "unknownSchemaReference", [ schema["$ref"] ]);
     else