Open distiller UI setting through JavaScript

components/dom_distiller/content/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.
 
 assert(!is_ios)
 
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
 
 # GYP version: components/dom_distiller.gypi:dom_distiller_mojo_bindings
 mojom("mojo_bindings") {
   sources = [
     "common/distiller_javascript_service.mojom",
     "common/distiller_page_notifier_service.mojom",
   ]
 }
 
 # GYP version: components/dom_distiller.gypi:dom_distiller_content_browser
 static_library("content_browser") {
   sources = [
     "browser/distillable_page_utils.cc",
     "browser/distillable_page_utils.h",
     "browser/distiller_javascript_service_impl.cc",
     "browser/distiller_javascript_service_impl.h",
     "browser/distiller_javascript_utils.cc",
     "browser/distiller_javascript_utils.h",
     "browser/distiller_page_web_contents.cc",
     "browser/distiller_page_web_contents.h",
+    "browser/distiller_ui_handle.h",
     "browser/dom_distiller_viewer_source.cc",
     "browser/dom_distiller_viewer_source.h",
-    "browser/external_feedback_reporter.h",
     "browser/web_contents_main_frame_observer.cc",
     "browser/web_contents_main_frame_observer.h",
   ]
 
   public_deps = [
     "//components/dom_distiller/core",
     "//content/public/browser",
   ]
   deps = [
     ":mojo_bindings",
@@ skipping 57 matching lines @@
   testonly = true
   sources = [
     "browser/dom_distiller_viewer_source_unittest.cc",
     "browser/web_contents_main_frame_observer_unittest.cc",
   ]
   deps = [
     ":content_browser",
     "//testing/gtest",
   ]
 }