[pitivi] Rename ClipElement to be synced with GES

[Jean-François Fortin Tam <jfft src gnome org>]

commit 428c8446b22bc2dfebb3f6bd12fb862159922d9b
Author: Mathieu Duponchelle <mathieu duponchelle epitech eu>
Date:   Thu Apr 18 03:29:55 2013 +0200

    Rename ClipElement to be synced with GES

 pitivi/timeline/elements.py |    2 +-
 pitivi/timeline/timeline.py |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/pitivi/timeline/elements.py b/pitivi/timeline/elements.py
index 4390aae..13929e8 100644
--- a/pitivi/timeline/elements.py
+++ b/pitivi/timeline/elements.py
@@ -471,7 +471,7 @@ class TimelineElement(Clutter.Actor, Zoomable):
         self.marquee.props.visible = isSelected
 
 
-class ClipElement(TimelineElement):
+class URISourceElement(TimelineElement):
     def __init__(self, bElement, track, timeline):
         TimelineElement.__init__(self, bElement, track, timeline)
 
diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index 6604a8e..e811aba 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -36,7 +36,7 @@ from pitivi.utils.widgets import ZoomBox
 from ruler import ScaleRuler
 from gettext import gettext as _
 from pitivi.utils.pipeline import Pipeline
-from elements import ClipElement, TransitionElement, Ghostclip
+from elements import URISourceElement, TransitionElement, Ghostclip
 from controls import ControlContainer
 
 GlobalSettings.addConfigOption('edgeSnapDeadband',
@@ -314,7 +314,7 @@ class TimelineStage(Clutter.ScrollActor, Zoomable):
             element = TransitionElement(bElement, track, self)
             element.set_z_position(0)
         else:
-            element = ClipElement(bElement, track, self)
+            element = URISourceElement(bElement, track, self)
             element.set_z_position(-1)
 
         bElement.connect("notify::start", self._elementStartChangedCb, element)