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);
+// Sets allowed=true to allow a chrome-extension:// resource request coming from
+// renderer A to access a resource in an extension running in renderer B.\
+// Returns false when it couldn't determine if the resource is allowed or not
+bool ChromeAllowCrossRendererResourceLoad(net::URLRequest* request,

[Ken Rockot(use gerrit already), 2014/09/16 16:50:52]

Or you could change the namespace to chrome_url_request_util - but that might
make for a bigger CL (I haven't checked)

+                                          bool is_incognito,
+                                          const Extension* extension,
+                                          InfoMap* extension_info_map,
+                                          bool* allowed);
 
 // 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_