Use default CSP for resource loading in webview (instead of platform app's CSP)

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 {
@@ skipping 23 matching lines @@
 // 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_