Enabling 'gn check' on webrtc/test.

webrtc/sdk/BUILD.gn

 # Copyright 2016 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("../webrtc.gni")
 if (is_ios) {
@@ skipping 416 matching lines @@
         # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163)
         configs -= [ "//build/config/clang:find_bad_constructs" ]
       }
     }
   }
 
   rtc_static_library("rtc_sdk_objc") {
     complete_static_lib = true
     deps = [
       ":rtc_sdk_peerconnection_objc",
-      "..//system_wrappers:field_trial_default",
-      "..//system_wrappers:metrics_default",
+      "../system_wrappers:field_trial_default",
+      "../system_wrappers:metrics_default",
     ]
   }
 
   rtc_static_library("webrtc_h264_video_toolbox") {
     sources = [
       "objc/Framework/Classes/h264_video_toolbox_decoder.cc",
       "objc/Framework/Classes/h264_video_toolbox_decoder.h",
       "objc/Framework/Classes/h264_video_toolbox_encoder.h",
       "objc/Framework/Classes/h264_video_toolbox_encoder.mm",
       "objc/Framework/Classes/h264_video_toolbox_nalu.cc",
@@ skipping 30 matching lines @@
       deps += [ "$rtc_libyuv_dir" ]
       public_deps = [
         "$rtc_libyuv_dir",
       ]
     } else {
       # Need to add a directory normally exported by libyuv.
       include_dirs = [ "$rtc_libyuv_dir/include" ]
     }
   }
 }