Work on GN build of Chrome.

apps/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("//build/config/ui.gni")
 
 static_library("apps") {
   sources = [
     "app_lifetime_monitor.cc",
@@ skipping 31 matching lines @@
     "ui/apps_client.h",
     "ui/web_contents_sizer.h",
   ]
 
   configs += [ "//build/config/compiler:wexit_time_destructors" ]
 
   deps = [
     "//chrome/app/theme:theme_resources",
     "//chrome/browser/extensions",
     "//chrome/common/extensions/api:api",
+    "//components/web_modal",
     "//skia",
   ]
 
   if (is_chromeos) {
     #deps += [ "browser_chromeos" ]  TODO(GYP)
   }
 
   if (!enable_extensions) {
     # When extensions are disabled, only the sizer file below is included.
     deps -= [ "//chrome/browser/extensions" ]
@@ skipping 19 matching lines @@
       "//ui/strings",
       "//ui/views",
     ]
   }
 
   if (is_win) {
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     cflags = [ "/wd4267" ]
   }
 }