Supprot V2 app: step1

athena/athena.gyp

Index: athena/athena.gyp
diff --git a/athena/athena.gyp b/athena/athena.gyp
index 2c814a499db22c0d175da454dfb8369c26850b99..9d3d79aa04f24d29fb505a2ee66ae84085bef43e 100644
--- a/athena/athena.gyp
+++ b/athena/athena.gyp
@@ -147,11 +147,12 @@
         'content/app_activity_registry.h',
         'content/app_registry_impl.cc',
         'content/content_activity_factory.cc',
+        'content/content_activity_factory.h',
         'content/content_app_model_builder.cc',
         'content/public/app_registry.h',
-        'content/content_activity_factory.h',
         'content/public/content_activity_factory_creator.h',
         'content/public/content_app_model_builder.h',
+        'content/public/dialogs.h',
         'content/public/web_contents_view_delegate_creator.h',
         'content/render_view_context_menu_impl.cc',
         'content/render_view_context_menu_impl.h',
@@ -172,8 +173,11 @@
       ],
       'sources': [
         'content/chrome/content_activity_factory.cc',
-        'extensions/chrome/athena_apps_client.h',
+        'content/chrome/dialogs.cc',
+        'extensions/chrome/athena_app_delegate.cc',
+        'extensions/chrome/athena_app_delegate.h',
         'extensions/chrome/athena_apps_client.cc',
+        'extensions/chrome/athena_apps_client.h',
         'extensions/chrome/extensions_delegate_impl.cc',
       ],
     },
@@ -185,6 +189,7 @@
       ],
       'sources': [
         'content/shell/content_activity_factory.cc',
+        'content/shell/dialogs.cc',
         'content/shell/shell_app_activity.cc',
         'content/shell/shell_app_activity.h',
         'extensions/shell/extensions_delegate_impl.cc',