ExtensionDelegate to abstract extension implementation

athena/athena.gyp

Index: athena/athena.gyp
diff --git a/athena/athena.gyp b/athena/athena.gyp
index 448ba4e305941c0ead90933f33d5c1f57e7458d7..71c0023f814731dbeb1c73186821889932b166d4 100644
--- a/athena/athena.gyp
+++ b/athena/athena.gyp
@@ -103,6 +103,9 @@
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../components/components.gyp:renderer_context_menu',
         '../components/components.gyp:web_modal',
+        '../extensions/extensions.gyp:extensions_browser',
+        '../extensions/extensions.gyp:extensions_common',
+        '../extensions/shell/app_shell.gyp:app_shell_lib',
         '../content/content.gyp:content_browser',
         '../ui/app_list/app_list.gyp:app_list',
         '../ui/keyboard/keyboard.gyp:keyboard',
@@ -127,6 +130,8 @@
         'content/web_activity.h',
         'content/web_activity.cc',
         'content/web_contents_view_delegate_factory_impl.cc',
+        'extensions/public/extensions_delegate.h',
+        'extensions/extensions_delegate_impl.cc',
         'virtual_keyboard/public/virtual_keyboard_manager.h',
         'virtual_keyboard/virtual_keyboard_manager_impl.cc',
       ],
@@ -152,6 +157,7 @@
         'resources/athena_resources.gyp:athena_resources',
       ],
       'sources': [
+        'extensions/test/test_extensions_delegate.cc',
         'test/athena_test_base.cc',
         'test/athena_test_base.h',
         'test/athena_test_helper.cc',