Force MimeHandlerView to always use BrowserPlugin

content/public/browser/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/ui.gni")
 
 # See //content/BUILD.gn for how this works.
 group("browser") {
   if (is_component_build) {
     public_deps = [
@@ skipping 100 matching lines @@
     "file_descriptor_info.h",
     "focused_node_details.h",
     "font_list_async.h",
     "global_request_id.h",
     "gpu_data_manager.h",
     "gpu_data_manager_observer.h",
     "gpu_service_registry.cc",
     "gpu_service_registry.h",
     "gpu_utils.cc",
     "gpu_utils.h",
+    "guest_mode.cc",
+    "guest_mode.h",
     "histogram_fetcher.h",
     "host_zoom_map.h",
     "indexed_db_context.h",
     "indexed_db_info.h",
     "interstitial_page.h",
     "interstitial_page_delegate.cc",
     "interstitial_page_delegate.h",
     "invalidate_type.h",
     "javascript_dialog_manager.cc",
     "javascript_dialog_manager.h",
@@ skipping 179 matching lines @@
 
   if (is_android) {
     deps += [ "//ui/android" ]
   }
 
   if (use_aura) {
     sources -= [ "context_factory.h" ]
     deps += [ "//ui/aura" ]
   }
 }