Switch to standard integer types in extensions/.

extensions/common/manifest_handlers/webview_info.cc

 // 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 "extensions/common/manifest_handlers/webview_info.h"
 
+#include <stddef.h>
+
 #include <utility>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/pattern.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "extensions/common/error_utils.h"
 #include "extensions/common/manifest.h"
@@ skipping 149 matching lines @@
 
   extension->SetManifestData(keys::kWebviewAccessibleResources, info.release());
   return true;
 }
 
 const std::vector<std::string> WebviewHandler::Keys() const {
   return SingleKey(keys::kWebview);
 }
 
 }  // namespace extensions