[MD Bookmarks] Remove the bookmarks-sidebar element.

chrome/browser/ui/webui/md_bookmarks/md_bookmarks_ui.cc

 // Copyright (c) 2016 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/browser/ui/webui/md_bookmarks/md_bookmarks_ui.h"
 
 #include <algorithm>
 
 #include "base/strings/string16.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 84 matching lines @@
   source->AddResourcePath("list.html", IDR_MD_BOOKMARKS_LIST_HTML);
   source->AddResourcePath("list.js", IDR_MD_BOOKMARKS_LIST_JS);
   source->AddResourcePath("reducers.html", IDR_MD_BOOKMARKS_REDUCERS_HTML);
   source->AddResourcePath("reducers.js", IDR_MD_BOOKMARKS_REDUCERS_JS);
   source->AddResourcePath("router.html", IDR_MD_BOOKMARKS_ROUTER_HTML);
   source->AddResourcePath("router.js", IDR_MD_BOOKMARKS_ROUTER_JS);
   source->AddResourcePath("shared_style.html",
                           IDR_MD_BOOKMARKS_SHARED_STYLE_HTML);
   source->AddResourcePath("shared_vars.html",
                           IDR_MD_BOOKMARKS_SHARED_VARS_HTML);
-  source->AddResourcePath("sidebar.html", IDR_MD_BOOKMARKS_SIDEBAR_HTML);
-  source->AddResourcePath("sidebar.js", IDR_MD_BOOKMARKS_SIDEBAR_JS);
   source->AddResourcePath("store.html", IDR_MD_BOOKMARKS_STORE_HTML);
   source->AddResourcePath("store.js", IDR_MD_BOOKMARKS_STORE_JS);
   source->AddResourcePath("store_client.html",
                           IDR_MD_BOOKMARKS_STORE_CLIENT_HTML);
   source->AddResourcePath("store_client.js", IDR_MD_BOOKMARKS_STORE_CLIENT_JS);
   source->AddResourcePath("toolbar.html", IDR_MD_BOOKMARKS_TOOLBAR_HTML);
   source->AddResourcePath("toolbar.js", IDR_MD_BOOKMARKS_TOOLBAR_JS);
   source->AddResourcePath("util.html", IDR_MD_BOOKMARKS_UTIL_HTML);
   source->AddResourcePath("util.js", IDR_MD_BOOKMARKS_UTIL_JS);
   source->SetDefaultResource(IDR_MD_BOOKMARKS_BOOKMARKS_HTML);
   source->SetJsonPath("strings.js");
 
   return source;
 }
 
 }  // namespace
 
 MdBookmarksUI::MdBookmarksUI(content::WebUI* web_ui) : WebUIController(web_ui) {
   // Set up the chrome://bookmarks/ source.
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile,
                                 CreateMdBookmarksUIHTMLSource(profile));
 }
 
 // static
 bool MdBookmarksUI::IsEnabled() {
   return base::FeatureList::IsEnabled(features::kMaterialDesignBookmarks);
 }