Switch to standard integer types in ios/.

ios/web/navigation/crw_session_controller.mm

 // Copyright 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.
 
 #import "ios/web/navigation/crw_session_controller.h"
 
+#include <stddef.h>
+
 #include <algorithm>
 #include <vector>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/mac/objc_property_releaser.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/strings/sys_string_conversions.h"
 #import "ios/web/history_state_util.h"
@@ skipping 868 matching lines @@
   item->SetURL(loaded_url);
   item->SetReferrer(referrer);
   item->SetTransitionType(transition);
   item->SetIsOverridingUserAgent(useDesktopUserAgent);
   item->set_is_renderer_initiated(rendererInitiated);
   return [
       [[CRWSessionEntry alloc] initWithNavigationItem:item.Pass()] autorelease];
 }
 
 @end