depot_tools: Remove third_party/httplib2.

depot_tools' scripts have been using vpython httplib2 for a while.

Change-Id: I9403d92332c74de0ed69d6f59f60c81772d0577a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1978983Reviewed-by: Anthony Polito <apolito@google.com>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>

third_party/httplib2/README.chromium

-Name: httplib2
-Short Name: httplib2
-URL: https://github.com/httplib2/httplib2
-Version: 0.11.3
-Revision: 70fb0c820d2e8211992b402d34444e4b32a1cb6e
-License: MIT License
-
-Description:
-A comprehensive HTTP client library in Python.
-
-Local Modifications:
-Only python2 version is kept. Test and packaging code stripped.
-
-Notes:
-Required by oauth2client library.

third_party/httplib2/iri2uri.py

-"""
-iri2uri
-
-Converts an IRI to a URI.
-
-"""
-__author__ = "Joe Gregorio (joe@bitworking.org)"
-__copyright__ = "Copyright 2006, Joe Gregorio"
-__contributors__ = []
-__version__ = "1.0.0"
-__license__ = "MIT"
-__history__ = """
-"""
-
-import urlparse
-
-
-# Convert an IRI to a URI following the rules in RFC 3987
-#
-# The characters we need to enocde and escape are defined in the spec:
-#
-# iprivate =  %xE000-F8FF / %xF0000-FFFFD / %x100000-10FFFD
-# ucschar = %xA0-D7FF / %xF900-FDCF / %xFDF0-FFEF
-#         / %x10000-1FFFD / %x20000-2FFFD / %x30000-3FFFD
-#         / %x40000-4FFFD / %x50000-5FFFD / %x60000-6FFFD
-#         / %x70000-7FFFD / %x80000-8FFFD / %x90000-9FFFD
-#         / %xA0000-AFFFD / %xB0000-BFFFD / %xC0000-CFFFD
-#         / %xD0000-DFFFD / %xE1000-EFFFD
-
-escape_range = [
-    (0xA0, 0xD7FF),
-    (0xE000, 0xF8FF),
-    (0xF900, 0xFDCF),
-    (0xFDF0, 0xFFEF),
-    (0x10000, 0x1FFFD),
-    (0x20000, 0x2FFFD),
-    (0x30000, 0x3FFFD),
-    (0x40000, 0x4FFFD),
-    (0x50000, 0x5FFFD),
-    (0x60000, 0x6FFFD),
-    (0x70000, 0x7FFFD),
-    (0x80000, 0x8FFFD),
-    (0x90000, 0x9FFFD),
-    (0xA0000, 0xAFFFD),
-    (0xB0000, 0xBFFFD),
-    (0xC0000, 0xCFFFD),
-    (0xD0000, 0xDFFFD),
-    (0xE1000, 0xEFFFD),
-    (0xF0000, 0xFFFFD),
-    (0x100000, 0x10FFFD),
-]
-
-def encode(c):
-    retval = c
-    i = ord(c)
-    for low, high in escape_range:
-        if i < low:
-            break
-        if i >= low and i <= high:
-            retval = "".join(["%%%2X" % ord(o) for o in c.encode('utf-8')])
-            break
-    return retval
-
-
-def iri2uri(uri):
-    """Convert an IRI to a URI. Note that IRIs must be
-    passed in a unicode strings. That is, do not utf-8 encode
-    the IRI before passing it into the function."""
-    if isinstance(uri ,unicode):
-        (scheme, authority, path, query, fragment) = urlparse.urlsplit(uri)
-        authority = authority.encode('idna')
-        # For each character in 'ucschar' or 'iprivate'
-        #  1. encode as utf-8
-        #  2. then %-encode each octet of that utf-8
-        uri = urlparse.urlunsplit((scheme, authority, path, query, fragment))
-        uri = "".join([encode(c) for c in uri])
-    return uri
-
-if __name__ == "__main__":
-    import unittest
-
-    class Test(unittest.TestCase):
-
-        def test_uris(self):
-            """Test that URIs are invariant under the transformation."""
-            invariant = [
-                u"ftp://ftp.is.co.za/rfc/rfc1808.txt",
-                u"http://www.ietf.org/rfc/rfc2396.txt",
-                u"ldap://[2001:db8::7]/c=GB?objectClass?one",
-                u"mailto:John.Doe@example.com",
-                u"news:comp.infosystems.www.servers.unix",
-                u"tel:+1-816-555-1212",
-                u"telnet://192.0.2.16:80/",
-                u"urn:oasis:names:specification:docbook:dtd:xml:4.1.2" ]
-            for uri in invariant:
-                self.assertEqual(uri, iri2uri(uri))
-
-        def test_iri(self):
-            """ Test that the right type of escaping is done for each part of the URI."""
-            self.assertEqual("http://xn--o3h.com/%E2%98%84", iri2uri(u"http://\N{COMET}.com/\N{COMET}"))
-            self.assertEqual("http://bitworking.org/?fred=%E2%98%84", iri2uri(u"http://bitworking.org/?fred=\N{COMET}"))
-            self.assertEqual("http://bitworking.org/#%E2%98%84", iri2uri(u"http://bitworking.org/#\N{COMET}"))
-            self.assertEqual("#%E2%98%84", iri2uri(u"#\N{COMET}"))
-            self.assertEqual("/fred?bar=%E2%98%9A#%E2%98%84", iri2uri(u"/fred?bar=\N{BLACK LEFT POINTING INDEX}#\N{COMET}"))
-            self.assertEqual("/fred?bar=%E2%98%9A#%E2%98%84", iri2uri(iri2uri(u"/fred?bar=\N{BLACK LEFT POINTING INDEX}#\N{COMET}")))
-            self.assertNotEqual("/fred?bar=%E2%98%9A#%E2%98%84", iri2uri(u"/fred?bar=\N{BLACK LEFT POINTING INDEX}#\N{COMET}".encode('utf-8')))
-
-    unittest.main()
-
-