Fixes for PNaCl build of remoting client plugin in chromium.

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 617 matching lines @@
   if (is_ios || (is_mac && current_cpu != "x86")) {
     defines += [ "CARBON_DEPRECATED=YES" ]
   }
 
   if (is_linux || is_android) {
     sources += [
       "linux.cc",
       "linux.h",
     ]
   }
+
+  if (is_nacl) {
+    deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
+    defines += [ "timezone=_timezone" ]
+  }
 }