[DevTools] Introduce a sidebar with a drop-down

third_party/WebKit/Source/devtools/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 
 all_devtools_files = [
   "front_end/accessibility/AccessibilityModel.js",
@@ skipping 424 matching lines @@
   "front_end/resources/appManifestView.css",
   "front_end/resources/AppManifestView.js",
   "front_end/resources/clearStorageView.css",
   "front_end/resources/ClearStorageView.js",
   "front_end/resources/CookieItemsView.js",
   "front_end/resources/DatabaseModel.js",
   "front_end/resources/DatabaseQueryView.js",
   "front_end/resources/DatabaseTableView.js",
   "front_end/resources/DOMStorageItemsView.js",
   "front_end/resources/DOMStorageModel.js",
+  "front_end/resources/frameMenu.css",
+  "front_end/resources/FrameMenu.js",
+  "front_end/resources/frameMenuSidebar.css",
+  "front_end/resources/FrameMenuSidebar.js",
   "front_end/resources/IndexedDBModel.js",
   "front_end/resources/indexedDBViews.css",
   "front_end/resources/IndexedDBViews.js",
   "front_end/resources/module.json",
   "front_end/resources/resourcesPanel.css",
   "front_end/resources/ResourcesPanel.js",
   "front_end/resources/ResourcesSection.js",
   "front_end/resources/resourcesSidebar.css",
   "front_end/resources/serviceWorkerCacheViews.css",
   "front_end/resources/ServiceWorkerCacheViews.js",
@@ skipping 689 matching lines @@
     ".eslintrc.js",
     "devtools-node-modules/",
     "front_end/",
     "scripts/buildbot/run_eslint.py",
     "scripts/local_node/",
     "//testing/scripts/common.py",
     "//testing/scripts/run_devtools_check.py",
     "//testing/xvfb.py",
   ]
 }