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

content/browser/child_process_security_policy_impl.cc

 // Copyright (c) 2012 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 "content/browser/child_process_security_policy_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/common/site_isolation_policy.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/url_constants.h"
+#include "content/public/common/url_utils.h"
 #include "net/base/filename_util.h"
 #include "net/url_request/url_request.h"
 #include "storage/browser/fileapi/file_permission_policy.h"
 #include "storage/browser/fileapi/file_system_url.h"
 #include "storage/browser/fileapi/isolated_context.h"
 #include "storage/common/fileapi/file_system_util.h"
 #include "url/gurl.h"
 
 namespace content {
 
@@ skipping 583 matching lines @@
 
   state->second->RevokeReadRawCookies();
 }
 
 bool ChildProcessSecurityPolicyImpl::CanRequestURL(
     int child_id, const GURL& url) {
   if (!url.is_valid())
     return false;  // Can't request invalid URLs.
 
   if (IsPseudoScheme(url.scheme())) {
-    // Every child process can request <about:blank> and <about:srcdoc>.
-    if (url == url::kAboutBlankURL || url == kAboutSrcDocURL)
+    // Every child process can request <about:blank>, <about:blank?foo>,
+    // <about:blank/#foo> and <about:srcdoc>.
+    if (IsAboutBlankURL(url) || url == kAboutSrcDocURL)
       return true;
     // URLs like <about:version>, <about:crash>, <view-source:...> shouldn't be
     // requestable by any child process.  Also, this case covers
     // <javascript:...>, which should be handled internally by the process and
     // not kicked up to the browser.
     return false;
   }
 
   // Blob and filesystem URLs require special treatment, since they embed an
   // inner origin.
@@ skipping 357 matching lines @@
   base::AutoLock lock(lock_);
 
   SecurityStateMap::iterator state = security_state_.find(child_id);
   if (state == security_state_.end())
     return false;
 
   return state->second->can_send_midi_sysex();
 }
 
 }  // namespace content