Change Activity so that subclasses don't have to call Activity superclass methods from the shell callbacks. Makes subclasses simpler since they don't (necessarily) have to care about OO concepts like superclasses right away.

sugar/browser/BrowserActivity.py

@@ -53,8 +53,6 @@ class BrowserActivity(activity.Activity):
 			self._model.add_listener(self.__shared_location_changed_cb)
 	
 	def on_connected_to_shell(self):
-		activity.Activity.on_connected_to_shell(self)
-
 		self.set_ellipsize_tab(True)
 		self.set_can_close(True)
 		self.set_tab_text("Web Page")

sugar/browser/WebActivity.py

@@ -25,8 +25,6 @@ class WebActivity(activity.Activity):
 		self._shell = shell
 	
 	def on_connected_to_shell(self):
-		activity.Activity.on_connected_to_shell(self)
-
 		self.set_tab_text("Web")
 		self.set_tab_icon(name="web-browser")
 		self.set_show_tab_icon(True)
@@ -58,5 +56,4 @@ class WebActivity(activity.Activity):
 			return True
 
 	def on_disconnected_from_shell(self):
-		activity.Activity.on_disconnected_from_shell(self)
 		gtk.main_quit()