Switch to standard integer types in ppapi/.

ppapi/tests/test_url_loader.cc

 // 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.
 
 #include "ppapi/tests/test_url_loader.h"
 
+#include <stddef.h>
 #include <stdio.h>
 #include <string.h>
 #include <string>
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_file_io.h"
 #include "ppapi/c/ppb_url_loader.h"
 #include "ppapi/c/trusted/ppb_url_loader_trusted.h"
 #include "ppapi/cpp/dev/url_util_dev.h"
 #include "ppapi/cpp/file_io.h"
@@ skipping 856 matching lines @@
 std::string TestURLLoader::TestXRequestedWithHeader() {
   pp::URLRequestInfo request(instance_);
   request.SetURL("/echoheader?X-Requested-With");
   // The name and version of the plugin is set from the command-line (see
   // chrome/test/ppapi/ppapi_test.cc.
   return LoadAndCompareBody(request, "PPAPITests/1.2.3");
 }
 
 // TODO(viettrungluu): Add tests for  Get{Upload,Download}Progress, Close
 // (including abort tests if applicable).