Extract content dependency from keyboard code

chrome/browser/extensions/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")
 
 assert(enable_extensions)
 
@@ skipping 100 matching lines @@
   if (use_ash) {
     sources += [
       "api/tabs/ash_panel_contents.cc",
       "api/tabs/ash_panel_contents.h",
     ]
   }
 
   if (use_aura) {
     deps += [
       "//ui/keyboard",
+      "//ui/keyboard:keyboard_with_content",
       "//ui/keyboard:resources",
     ]
   }
 
   if (toolkit_views) {
     deps += [ "//ui/views" ]
   }
 
   if (is_linux) {
     deps += [
@@ skipping 72 matching lines @@
                     "//chrome")
   }
 
   if (is_chromeos && use_ozone) {
     sources -= [ "global_shortcut_listener_chromeos.cc" ]
   }
   if (!use_ozone) {
     sources -= [ "global_shortcut_listener_ozone.cc" ]
   }
 }