Add 'requests' library to third_party.

third_party/requests/packages/charade/cp949prober.py

Index: third_party/requests/packages/charade/cp949prober.py
diff --git a/third_party/requests/packages/charade/cp949prober.py b/third_party/requests/packages/charade/cp949prober.py
new file mode 100644
index 0000000000000000000000000000000000000000..543501fe092e6827030f2d3cbb465121b66cf32a
--- /dev/null
+++ b/third_party/requests/packages/charade/cp949prober.py
@@ -0,0 +1,44 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
+######################### END LICENSE BLOCK #########################
+
+from .mbcharsetprober import MultiByteCharSetProber
+from .codingstatemachine import CodingStateMachine
+from .chardistribution import EUCKRDistributionAnalysis
+from .mbcssm import CP949SMModel
+
+
+class CP949Prober(MultiByteCharSetProber):
+    def __init__(self):
+        MultiByteCharSetProber.__init__(self)
+        self._mCodingSM = CodingStateMachine(CP949SMModel)
+        # NOTE: CP949 is a superset of EUC-KR, so the distribution should be
+        #       not different.
+        self._mDistributionAnalyzer = EUCKRDistributionAnalysis()
+        self.reset()
+
+    def get_charset_name(self):
+        return "CP949"