Switch to standard integer types in ios/.

ios/web/web_view_creation_util.mm

 // Copyright 2014 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.
 
 #include "ios/web/public/web_view_creation_util.h"
 
 #include <Foundation/Foundation.h>
+#include <stddef.h>
+#include <stdint.h>
 #include <sys/sysctl.h>
 
 #include "base/ios/ios_util.h"
 #include "base/logging.h"
 #import "ios/web/public/browsing_data_partition.h"
 #import "ios/web/web_state/ui/wk_web_view_configuration_provider.h"
 #import "ios/web/web_state/web_view_internal_creation_util.h"
 
 namespace web {
 
@@ skipping 29 matching lines @@
 WKWebView* CreateWKWebView(CGRect frame, BrowserState* browser_state) {
   DCHECK(browser_state);
 
   WKWebViewConfigurationProvider& config_provider =
       WKWebViewConfigurationProvider::FromBrowserState(browser_state);
   return CreateWKWebView(frame, config_provider.GetWebViewConfiguration(),
                          browser_state);
 }
 
 }  // namespace web