[Md Feedback] Add initial data population for dialog.

chrome/browser/ui/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
 import("//media/media_options.gni")
@@ skipping 896 matching lines @@
       "webui/md_downloads/downloads_list_tracker.cc",
       "webui/md_downloads/downloads_list_tracker.h",
       "webui/md_downloads/md_downloads_dom_handler.cc",
       "webui/md_downloads/md_downloads_dom_handler.h",
       "webui/md_downloads/md_downloads_ui.cc",
       "webui/md_downloads/md_downloads_ui.h",
       "webui/md_feedback/md_feedback_dialog_controller.cc",
       "webui/md_feedback/md_feedback_dialog_controller.h",
       "webui/md_feedback/md_feedback_ui.cc",
       "webui/md_feedback/md_feedback_ui.h",
+      "webui/md_feedback/md_feedback_webui_message_handler.cc",
+      "webui/md_feedback/md_feedback_webui_message_handler.h",
       "webui/md_history_ui.cc",
       "webui/md_history_ui.h",
       "webui/ntp/app_launcher_handler.cc",
       "webui/ntp/app_launcher_handler.h",
       "webui/ntp/app_resource_cache_factory.cc",
       "webui/ntp/app_resource_cache_factory.h",
       "webui/ntp/core_app_launcher_handler.cc",
       "webui/ntp/core_app_launcher_handler.h",
       "webui/ntp/favicon_webui_handler.cc",
       "webui/ntp/favicon_webui_handler.h",
@@ skipping 2432 matching lines @@
       "passwords/passwords_model_delegate_mock.cc",
       "passwords/passwords_model_delegate_mock.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }