Get rid of SCHANNEL code.

webrtc/base/base.gyp

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'includes': [ '../build/common.gypi', ],
@@ skipping 234 matching lines @@
         'proxyinfo.h',
         'proxyserver.cc',
         'proxyserver.h',
         'ratelimiter.cc',
         'ratelimiter.h',
         'refcount.h',
         'referencecountedsingletonfactory.h',
         'rollingaccumulator.h',
         'rtccertificate.cc',
         'rtccertificate.h',
-        'schanneladapter.cc',
-        'schanneladapter.h',
         'scoped_autorelease_pool.h',
         'scoped_autorelease_pool.mm',
         'scoped_ref_ptr.h',
         'scopedptrcollection.h',
         'sec_buffer.h',
         'sha1.cc',
         'sha1.h',
         'sha1digest.cc',
         'sha1digest.h',
         'sharedexclusivelock.cc',
@@ skipping 343 matching lines @@
           # Suppress warnings about WIN32_LEAN_AND_MEAN.
           'msvs_disabled_warnings': [4005, 4703],
           'defines': [
             '_CRT_NONSTDC_NO_DEPRECATE',
           ],
         }, {
           'sources/': [
             ['exclude', 'win32[a-z0-9]*\\.(h|cc)$'],
           ],
           'sources!': [
-              'schanneladapter.cc',
-              'schanneladapter.h',
               'winping.cc',
               'winping.h',
               'winfirewall.cc',
               'winfirewall.h',
             ],
         }],
         ['os_posix==0', {
           'sources!': [
             'latebindingsymboltable.cc',
             'latebindingsymboltable.h',
@@ skipping 36 matching lines @@
           ],
         }, {
           'include_dirs': [
             '<(ssl_root)',
           ],
         }],
       ],
     },
   ],
 }