Replace xrange with range (#279)

Summary:
xrange is not in Python 3

Resolves #276
Pull Request resolved: #279

Reviewed By: jarman

Differential Revision: D20300505

Pulled By: kolinkrewinkel

fbshipit-source-id: 0ba6c4e822bea3f59853663f7aa285fcba46187b

Author: kastiglione

commands/FBXCTestCommands.py

@@ -548,7 +548,7 @@ def children_list(self):
     :return: XCUIElement children list
     :rtype: list[lldb.SBValue]
     """
-    return [self.children.GetChildAtIndex(i) for i in xrange(0, self.children_count)]
+    return [self.children.GetChildAtIndex(i) for i in range(self.children_count)]
 
   @property
   def enabled(self):

fblldbviewhelpers.py

@@ -72,7 +72,7 @@ def subviewsOfView(view):
     (view, level) = views.pop(0)
     subviews = fb.evaluateExpression('(id)[%s subviews]' % view)
     subviewsCount = int(fb.evaluateExpression('(int)[(id)%s count]' % subviews))
-    for i in xrange(subviewsCount):
+    for i in range(subviewsCount):
       subview = fb.evaluateExpression('(id)[%s objectAtIndex:%i]' % (subviews, i))
       views.append((subview, level+1))
       yield (subview, level+1)