Add cr-toggle-button to Chrome

content/browser/webui/shared_resources_data_source.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/webui/shared_resources_data_source.h"
 
 #include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/strings/string_piece.h"
@@ skipping 10 matching lines @@
 namespace content {
 
 namespace {
 
 using ResourcesMap = base::hash_map<std::string, int>;
 
 // TODO(rkc): Once we have a separate source for apps, remove '*/apps/' aliases.
 const char* kPathAliases[][2] = {
   {"../../resources/default_100_percent/common/", "images/apps/"},
   {"../../resources/default_200_percent/common/", "images/2x/apps/"},
-  {"../../../third_party/polymer/components-chromium/", "polymer/"}
+  {"../../../third_party/polymer/components-chromium/", "polymer/"},
+  {"../../webui/resources/custom_elements/", "custom-elements/"}

[stevenjb, 2015/02/05 23:36:21]

This should probably come before third_party (or third_party should come first).

Also, 'custom-elements' isn't very descriptive to me. I would prefer
cr-custom-elements.

[michaelpg, 2015/02/06 08:55:43]

Done.

 };
 
 void AddResource(const std::string& path,
                  int resource_id,
                  ResourcesMap* resources_map) {
   if (!resources_map->insert(std::make_pair(path, resource_id)).second)
     NOTREACHED() << "Redefinition of '" << path << "'";
 }
 
 const ResourcesMap* CreateResourcesMap() {
@@ skipping 71 matching lines @@
   // wildcards, so we need to set its value explicitly by passing the |origin|
   // back.
   std::string allowed_origin_prefix = kChromeUIScheme;
   allowed_origin_prefix += "://";
   if (origin.find(allowed_origin_prefix) != 0)
     return "null";
   return origin;
 }
 
 }  // namespace content