DevTools: use interface for ObjectUI and make it a non-autostart module

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 844 matching lines @@
   "$resources_out_dir/data_grid/data_grid_module.js",
   "$resources_out_dir/devices/devices_module.js",
   "$resources_out_dir/diff/diff_module.js",
   "$resources_out_dir/elements/elements_module.js",
   "$resources_out_dir/event_listeners/event_listeners_module.js",
   "$resources_out_dir/heap_snapshot_model/heap_snapshot_model_module.js",
   "$resources_out_dir/inline_editor/inline_editor_module.js",
   "$resources_out_dir/layer_viewer/layer_viewer_module.js",
   "$resources_out_dir/layers/layers_module.js",
   "$resources_out_dir/network/network_module.js",
+  "$resources_out_dir/object_ui/object_ui_module.js",
   "$resources_out_dir/perf_ui/perf_ui_module.js",
   "$resources_out_dir/profiler/profiler_module.js",
   "$resources_out_dir/quick_open/quick_open_module.js",
   "$resources_out_dir/resources/resources_module.js",
   "$resources_out_dir/sass/sass_module.js",
   "$resources_out_dir/security/security_module.js",
   "$resources_out_dir/settings/settings_module.js",
   "$resources_out_dir/snippets/snippets_module.js",
   "$resources_out_dir/source_frame/source_frame_module.js",
   "$resources_out_dir/sources/sources_module.js",
@@ skipping 251 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",
   ]
 }