Split SchemaGeneratedBindings up into smaller, more targetted native handlers.

chrome/renderer/resources/extensions/send_request.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
-var sgb = requireNative('schema_generated_bindings');
-var GetNextRequestId = sgb.GetNextRequestId;
-var StartRequest = sgb.StartRequest;
+var natives = requireNative('sendRequest');
 
 // Callback handling.
 var requests = [];
 chromeHidden.handleResponse = function(requestId, name,
                                        success, response, error) {
   try {
     var request = requests[requestId];
     if (success) {
       delete chrome.extension.lastError;
     } else {
@@ skipping 86 matching lines @@
   var request = prepareRequest(args, argSchemas);
   if (opt_args.customCallback) {
     request.customCallback = opt_args.customCallback;
   }
   // JSON.stringify doesn't support a root object which is undefined.
   if (request.args === undefined)
     request.args = null;
 
   var sargs = opt_args.noStringify ?
       request.args : chromeHidden.JSON.stringify(request.args);
-  var nativeFunction = opt_args.nativeFunction || StartRequest;
+  var nativeFunction = opt_args.nativeFunction || natives.StartRequest;
 
-  var requestId = GetNextRequestId();
+  var requestId = natives.GetNextRequestId();
   request.id = requestId;
   requests[requestId] = request;
   var hasCallback =
       (request.callback || opt_args.customCallback) ? true : false;
   return nativeFunction(functionName, sargs, requestId, hasCallback,
                         opt_args.forIOThread);
 }
 
 exports.sendRequest = sendRequest;