Add rotating log file stream.

webrtc/base/BUILD.gn

 # 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.
 
 import("//build/config/crypto.gni")
 import("//build/config/ui.gni")
@@ skipping 350 matching lines @@
       "bind.h.pump",
       "callback.h",
       "callback.h.pump",
       "fileutils_mock.h",
       "genericslot.h",
       "genericslot.h.pump",
       "httpserver.cc",
       "httpserver.h",
       "json.cc",
       "json.h",
+      "logsinks.cc",
+      "logsinks.h",
       "mathutils.h",
       "multipart.cc",
       "multipart.h",
       "natserver.cc",
       "natserver.h",
       "natsocketfactory.cc",
       "natsocketfactory.h",
       "nattypes.cc",
       "nattypes.h",
       "optionsfile.cc",
@@ skipping 244 matching lines @@
     defines += [ "CARBON_DEPRECATED=YES" ]
   }
 
   if (is_linux || is_android) {
     sources += [
       "linux.cc",
       "linux.h",
     ]
   }
 }