Allows webview to access extension resources.

chrome/browser/extensions/url_request_util.h

-// 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.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_URL_REQUEST_UTIL_H_
-#define CHROME_BROWSER_EXTENSIONS_URL_REQUEST_UTIL_H_
-
-#include <string>
-
-namespace base {
-class FilePath;
-}
-
-namespace net {
-class NetworkDelegate;
-class URLRequest;
-class URLRequestJob;
-}
-
-namespace extensions {
-class Extension;
-class InfoMap;
-
-// Utilities related to URLRequest jobs for extension resources. See
-// chrome/browser/extensions/extension_protocols_unittest.cc for related tests.
-namespace url_request_util {
-
-// Returns true to allow a chrome-extension:// resource request coming from
-// renderer A to access a resource in an extension running in renderer B.
-bool AllowCrossRendererResourceLoad(net::URLRequest* request,
-                                    bool is_incognito,
-                                    const Extension* extension,
-                                    InfoMap* extension_info_map);
-
-// Creates a URLRequestJob for loading component extension resources out of
-// a Chrome resource bundle. Returns NULL if the requested resource is not a
-// component extension resource.
-net::URLRequestJob* MaybeCreateURLRequestResourceBundleJob(
-    net::URLRequest* request,
-    net::NetworkDelegate* network_delegate,
-    const base::FilePath& directory_path,
-    const std::string& content_security_policy,
-    bool send_cors_header);
-
-// Returns true if |request| corresponds to a resource request from a
-// <webview>.
-bool IsWebViewRequest(net::URLRequest* request);
-
-}  // namespace url_request_util
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_URL_REQUEST_UTIL_H_