Do not sanitize about:blank/#foo & about:blank?foo

url/url_constants.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 "url/url_constants.h"
 
 namespace url {
 
 const char kAboutBlankURL[] = "about:blank";
 
+const char kAboutBlankPath[] = "blank";
+const char kAboutBlankWithHashPath[] = "blank/";
+
 const char kAboutScheme[] = "about";
 const char kBlobScheme[] = "blob";
 const char kContentScheme[] = "content";
 const char kContentIDScheme[] = "cid";
 const char kDataScheme[] = "data";
 const char kFileScheme[] = "file";
 const char kFileSystemScheme[] = "filesystem";
 const char kFtpScheme[] = "ftp";
 const char kGopherScheme[] = "gopher";
 const char kHttpScheme[] = "http";
 const char kHttpsScheme[] = "https";
 const char kJavaScriptScheme[] = "javascript";
 const char kMailToScheme[] = "mailto";
 const char kWsScheme[] = "ws";
 const char kWssScheme[] = "wss";
 
 const char kHttpSuboriginScheme[] = "http-so";
 const char kHttpsSuboriginScheme[] = "https-so";
 
 const char kStandardSchemeSeparator[] = "://";
 
 const size_t kMaxURLChars = 2 * 1024 * 1024;
 
 }  // namespace url