[DevTools] Remove layout editor experiment.

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 426 matching lines @@
   "front_end/elements/ElementsSidebarPane.js",
   "front_end/elements/ElementsTreeElement.js",
   "front_end/elements/ElementsTreeElementHighlighter.js",
   "front_end/elements/ElementsTreeOutline.js",
   "front_end/elements/ElementStatePaneWidget.js",
   "front_end/elements/EventListenersWidget.js",
   "front_end/elements/InspectElementModeController.js",
   "front_end/elements/MetricsSidebarPane.js",
   "front_end/elements/PlatformFontsWidget.js",
   "front_end/elements/PropertiesWidget.js",
-  "front_end/elements/PropertyChangeHighlighter.js",
+  "front_end/elements/StylePropertyHighlighter.js",
   "front_end/elements/StylesSidebarPane.js",
   "front_end/elements/ComputedStyleWidget.js",
 ]
 devtools_emulated_devices_js_files = []
 devtools_emulated_devices_images = [
   "front_end/emulated_devices/google-nexus-5-horizontal-default-1x.png",
   "front_end/emulated_devices/google-nexus-5-horizontal-default-2x.png",
   "front_end/emulated_devices/google-nexus-5-horizontal-keyboard-1x.png",
   "front_end/emulated_devices/google-nexus-5-horizontal-keyboard-2x.png",
   "front_end/emulated_devices/google-nexus-5-horizontal-navigation-1x.png",
@@ skipping 706 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",
   ]
 }