Moved apps metro code from apps to chrome/browser/apps.

apps/DEPS

 include_rules = [
   "+base",
   "+content",
   "+components/browser_context_keyed_service",
   "+components/user_prefs/pref_registry_syncable.h",
   "+components/web_modal",
   "+extensions",
   "+net/base",
   "+skia/ext",
   "+third_party/skia/include",
   "+ui",
   "+win8",
   # Temporary allowed includes.
   # TODO(benwells): remove these (http://crbug.com/159366)
-  "+chrome/browser/browser_process.h",
   "+chrome/browser/chrome_notification_types.h",
   "+chrome/browser/chromeos/drive",
   "+chrome/browser/chromeos/login/user_manager.h",
   "+chrome/browser/lifetime/application_lifetime.h",
   "+chrome/browser/profiles",
   "+chrome/browser/sessions/session_id.h",
-  "+chrome/browser/ui/apps/app_metro_infobar_delegate_win.h",
-  "+chrome/browser/ui/host_desktop.h",
   "+chrome/common/chrome_switches.h",
   # Pieces of the extensions system that need to move to src/extensions.
   # See http://crbug.com/162530 for details.
   "+chrome/browser/extensions/api/app_runtime/app_runtime_api.h",
   "+chrome/browser/extensions/api/file_handlers/app_file_handler_util.h",
   "+chrome/browser/extensions/api/file_system/file_system_api.h",
   "+chrome/browser/extensions/event_router.h",
   "+chrome/browser/extensions/extension_function_dispatcher.h",
   "+chrome/browser/extensions/extension_icon_image.h",
   "+chrome/browser/extensions/extension_host.h",
@@ skipping 29 matching lines @@
     "+chrome/browser/ui/browser.h",
     "+chrome/test/base/in_process_browser_test.h",
     "+chrome/test/base/interactive_test_utils.h",
     "+chrome/test/base/testing_profile.h",
     # Temporary allowed testing include.
     # TODO(benwells): Move app_browsertest_util into apps component once there
     # is an apps shell to test with.
     "+chrome/browser/apps/app_browsertest_util.h",
   ]
 }