Move GuestView layer in browser to components

extensions/shell/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("//extensions/shell/app_shell.gni")
 
 # Technically, this directory should not depend on files from src/chrome, but
 # that's where the VERSION file is. This  should probably all be moved to
 # src/build.
 import("//chrome/version.gni")
@@ skipping 15 matching lines @@
   # is testonly because it depends on testonly libraries, namely
   # //content/shell:content_shell_lib. See http://crbug.com/438283
   testonly = true
   deps = [
     ":resources",
     ":version_header",
     "//base",
     "//base:prefs",
     "//components/devtools_discovery",
     "//components/devtools_http_handler",
+    "//components/guest_view:guest_view",
     "//components/pref_registry",
     "//components/update_client",
     "//components/user_prefs",
     "//components/web_cache/renderer",
     "//content",
     "//content/shell:content_shell_lib",
     "//device/core",
     "//device/hid",
     "//extensions/common/api",
     "//extensions/common/api:api_registration",
@@ skipping 155 matching lines @@
 
   if (is_win) {
     deps += [ "//base/allocator" ]
   }
 }
 
 process_version("version_header") {
   template_file = "common/version.h.in"
   output = "$target_gen_dir/common/version.h"
 }