[DevTools] Typed events and event listeners.

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")
 
 devtools_embedder_scripts = [
   "front_end/devtools_compatibility.js",
@@ skipping 17 matching lines @@
 devtools_common_js_files = [
   "front_end/common/CharacterIdMap.js",
   "front_end/common/Color.js",
   "front_end/common/Console.js",
   "front_end/common/ContentProvider.js",
   "front_end/common/CSSShadowModel.js",
   "front_end/common/FormatterWorkerPool.js",
   "front_end/common/Geometry.js",
   "front_end/common/ModuleExtensionInterfaces.js",
   "front_end/common/Object.js",
+  "front_end/common/ObjectBase.js",
   "front_end/common/OutputStream.js",
   "front_end/common/ParsedURL.js",
   "front_end/common/Progress.js",
   "front_end/common/ResourceType.js",
   "front_end/common/SegmentedRange.js",
   "front_end/common/Settings.js",
   "front_end/common/StaticContentProvider.js",
   "front_end/common/Text.js",
   "front_end/common/TextDictionary.js",
   "front_end/common/TextRange.js",
@@ skipping 1116 matching lines @@
     "scripts/closure/",
     "scripts/compile_frontend.py",
     "scripts/jsdoc_validator/",
     "//testing/scripts/run_devtools_closure_compile.py",
     "//testing/scripts/common.py",
     "//testing/xvfb.py",
     "//third_party/WebKit/Source/core/inspector/browser_protocol.json",
     "//v8/src/inspector/js_protocol.json",
   ]
 }