Lazy load chrome.* APIs

chrome/renderer/resources/extensions/file_browser_handler_custom_bindings.js

Index: chrome/renderer/resources/extensions/file_browser_handler_custom_bindings.js
diff --git a/chrome/renderer/resources/extensions/file_browser_handler_custom_bindings.js b/chrome/renderer/resources/extensions/file_browser_handler_custom_bindings.js
index 17af969cb598bb4cd8a8ba36166fe099c4fb1d72..feea6b16c3e1c12fbc59152eda46e4d31eeaa29f 100644
--- a/chrome/renderer/resources/extensions/file_browser_handler_custom_bindings.js
+++ b/chrome/renderer/resources/extensions/file_browser_handler_custom_bindings.js
@@ -4,6 +4,9 @@
 
 // Custom bindings for the fileBrowserHandler API.
 
+var bindings = new (require('schema_binding_generator').Bindings)(
+    'fileBrowserHandler');
+
 var fileBrowserNatives = requireNative('file_browser_handler');
 var GetExternalFileEntry = fileBrowserNatives.GetExternalFileEntry;
 
@@ -28,7 +31,7 @@ chromeHidden.Event.registerArgumentMassager('fileBrowserHandler.onExecute',
   dispatch(args);
 });
 
-chromeHidden.registerCustomHook('fileBrowserHandler', function(bindingsAPI) {
+bindings.registerCustomHook(function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
   apiFunctions.setHandleRequest('selectFile',
@@ -50,3 +53,5 @@ chromeHidden.registerCustomHook('fileBrowserHandler', function(bindingsAPI) {
         selectionParams, internalCallback.bind(null, callback));
   });
 });
+
+exports.bindings = bindings.generate();