Remove trailing '\' to avoid build failure on gcc 4.x toolchain.

extensions/browser/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 EXTENSIONS_BROWSER_URL_REQUEST_UTIL_H_
 #define EXTENSIONS_BROWSER_URL_REQUEST_UTIL_H_
 
 namespace net {
 class URLRequest;
 }
 
 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 {
 
 // 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.\
+// 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 AllowCrossRendererResourceLoad(net::URLRequest* request,
                                     bool is_incognito,
                                     const Extension* extension,
                                     InfoMap* extension_info_map,
                                     bool* allowed);
 
 // Returns true if |request| corresponds to a resource request from a
 // <webview>.
 bool IsWebViewRequest(net::URLRequest* request);
 
 }  // namespace url_request_util
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_URL_REQUEST_UTIL_H_