Get chrome:// dev tool urls hooked up in content_shell.

chrome/common/url_constants.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 "chrome/common/url_constants.h"
 
 #include "googleurl/src/url_util.h"
 
 namespace {
 const char* kSavableSchemes[] = {
@@ skipping 400 matching lines @@
   kChromeUIHangURL,
   kChromeUIShorthangURL,
   kChromeUIGpuCleanURL,
   kChromeUIGpuCrashURL,
   kChromeUIGpuHangURL,
 };
 int kNumberOfChromeDebugURLs = static_cast<int>(arraysize(kChromeDebugURLs));
 
 const char kExtensionScheme[] = "chrome-extension";
 
-void RegisterChromeSchemes() {
-  url_util::AddStandardScheme(kExtensionScheme);
+void GetAdditionalSchemes(
+    std::vector<std::string>* standard_schemes,
+    std::vector<std::string>* savable_schemes) {
+  standard_schemes->push_back(kExtensionScheme);
 #if defined(OS_CHROMEOS)
-  url_util::AddStandardScheme(kCrosScheme);
+  standard_schemes->push_back(kCrosScheme);
 #endif
 
-  // This call will also lock the list of standard schemes.
-  content::RegisterContentSchemes(kSavableSchemes);
+  int i = 0;
+  while (kSavableSchemes[i]) {
+    savable_schemes->push_back(std::string(kSavableSchemes[i]));
+    ++i;
+  }
 }
 
 }  // namespace chrome