Rewrote the PRNG using an xorshift* algorithm and moved the files from test/ to base/.

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 106 matching lines @@
     "exp_filter.h",
     "md5.cc",
     "md5.h",
     "md5digest.cc",
     "md5digest.h",
     "optional.h",
     "platform_file.cc",
     "platform_file.h",
     "platform_thread.cc",
     "platform_thread.h",
+    "random.cc",
+    "random.h",
     "safe_conversions.h",
     "safe_conversions_impl.h",
     "scoped_ptr.h",
     "stringencode.cc",
     "stringencode.h",
     "stringutils.cc",
     "stringutils.h",
     "systeminfo.cc",
     "systeminfo.h",
     "template_util.h",
@@ skipping 449 matching lines @@
       "linux.cc",
       "linux.h",
     ]
   }
 
   if (is_nacl) {
     deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
     defines += [ "timezone=_timezone" ]
   }
 }