Lazy load chrome.* APIs

chrome/renderer/resources/extensions/file_browser_private_custom_bindings.js

Index: chrome/renderer/resources/extensions/file_browser_private_custom_bindings.js
diff --git a/chrome/renderer/resources/extensions/file_browser_private_custom_bindings.js b/chrome/renderer/resources/extensions/file_browser_private_custom_bindings.js
index fd4c1279275c4d137293c9c7279e791cd4dbc4b0..21fecd5a0470d0544b587dc519c619e73027c1aa 100644
--- a/chrome/renderer/resources/extensions/file_browser_private_custom_bindings.js
+++ b/chrome/renderer/resources/extensions/file_browser_private_custom_bindings.js
@@ -4,15 +4,16 @@
 
 // Custom bindings for the fileBrowserPrivate API.
 
+var bindings = new (require('schema_binding_generator').Bindings)(
+    'fileBrowserPrivate');
+
 var fileBrowserPrivateNatives = requireNative('file_browser_private');
 var GetLocalFileSystem = fileBrowserPrivateNatives.GetLocalFileSystem;
 
 var fileBrowserNatives = requireNative('file_browser_handler');
 var GetExternalFileEntry = fileBrowserNatives.GetExternalFileEntry;
 
-var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
-
-chromeHidden.registerCustomHook('fileBrowserPrivate', function(bindingsAPI) {
+bindings.registerCustomHook(function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
   apiFunctions.setCustomCallback('requestLocalFileSystem',
@@ -43,3 +44,5 @@ chromeHidden.registerCustomHook('fileBrowserPrivate', function(bindingsAPI) {
     request.callback = null;
   });
 });
+
+exports.bindings = bindings.generate();