Merge pull request #19 from eseidelGoogle/build_fix

Fix release build after Hixie's bomb drop.

sky/engine/core/editing/Editor.cpp

@@ -361,8 +361,6 @@ void Editor::appliedEditing(PassRefPtr<CompositeEditCommand> cmd)
 {
     m_frame.document()->updateLayout();
 
-    EditCommandComposition* composition = cmd->composition();
-    ASSERT(composition);
     VisibleSelection newSelection(cmd->endingSelection());
 
     // Don't clear the typing style with this selection change. We do those things elsewhere if necessary.