Make LineConfigParser iterable.

qutebrowser/browser/cookies.py

@@ -34,7 +34,7 @@ class CookieJar(QNetworkCookieJar):
         datadir = get_standard_dir(QStandardPaths.DataLocation)
         self._linecp = LineConfigParser(datadir, 'cookies')
         cookies = []
-        for line in self._linecp.data:
+        for line in self._linecp:
             cookies += QNetworkCookie.parseCookies(line.encode('utf-8'))
         self.setAllCookies(cookies)
 

qutebrowser/config/lineparser.py

@@ -51,6 +51,10 @@ class LineConfigParser:
             logging.debug("Reading config from {}".format(self._configfile))
             self.read(self._configfile)
 
+    def __iter__(self):
+        """Iterate over the set data."""
+        return self.data.__iter__()
+
     def read(self, filename):
         """Read the data from a file."""
         with open(filename, 'r', encoding='utf-8') as f: