Add a start method to the activity module, for initialization.

activities/browser/BrowserActivity.py

@@ -17,11 +17,6 @@ class BrowserActivity(Activity):
 	def __init__(self):
 		Activity.__init__(self)
 
-		gtkmozembed.push_startup()
-		gtkmozembed.set_profile_path(env.get_profile_path(), 'gecko')
-
-		gecko.startup()
-
 		self._share_service = None
 		self._model_service = None
 		self._notif_service = None
@@ -132,3 +127,8 @@ class BrowserActivity(Activity):
 	def _destroy_cb(self, window):
 		if self._model:
 			self._model.shutdown()
+
+def start():
+	gtkmozembed.set_profile_path(env.get_profile_path(), 'gecko')
+	gtkmozembed.push_startup()
+	gecko.startup()

sugar/activity/ActivityFactory.py

@@ -29,6 +29,8 @@ class ActivityFactory(dbus.service.Object):
 		module = __import__(module_name)		
 		for comp in module_name.split('.')[1:]:
 			module = getattr(module, comp)
+		if hasattr(module, 'start'):
+			module.start()
 
 		self._class = getattr(module, class_name)