Refactory UI to grab shortcut keys, and tests to not look for triggers.

client/site_tests/factory_Camera/factory_Camera.py

Index: client/site_tests/factory_Camera/factory_Camera.py
diff --git a/client/site_tests/factory_Camera/factory_Camera.py b/client/site_tests/factory_Camera/factory_Camera.py
index c3ab1cfb9394d3a9f05b6893a30686e500f658e2..18678af86982127e49f1fda5bd4f5979062dbf7a 100644
--- a/client/site_tests/factory_Camera/factory_Camera.py
+++ b/client/site_tests/factory_Camera/factory_Camera.py
@@ -106,15 +106,14 @@ class factory_Camera(test.test):
                 self.dev.capture_mmap_start()
             self.label.hide()
             glib.timeout_add(1000, lambda *x: self.label.show())
-
-        self.ft_state.exit_on_trigger(event)
-        return
+        return True
 
     def register_callbacks(self, w):
         w.connect('key-release-event', self.key_release_callback)
         w.add_events(gdk.KEY_RELEASE_MASK)
 
-    def run_once(self, test_widget_size=None, trigger_set=None, led_rounds=5):
+    def run_once(self,
+                 led_rounds=5):
         '''Run the camera test
 
         Parameter
@@ -137,8 +136,6 @@ class factory_Camera(test.test):
             self.ledstats = randrange(2 ** led_rounds - 2) + 1
         self.stage = 0
 
-        self.ft_state = ful.State(trigger_set)
-
         self.label = label = gtk.Label(MESSAGE_STR)
         label.modify_font(LABEL_FONT)
         label.modify_fg(gtk.STATE_NORMAL, gdk.color_parse('light green'))
@@ -178,9 +175,7 @@ class factory_Camera(test.test):
         dev.capture_mmap_prepare(PREFERRED_BUFFER_COUNT, 2)
         dev.capture_mmap_start()
 
-        self.ft_state.run_test_widget(
-            test_widget=test_widget,
-            test_widget_size=test_widget_size,
+        ful.run_test_widget(self.job, test_widget,
             window_registration_callback=self.register_callbacks)
 
         # we don't call capture_mmap_stop here,