Extract iOS SDK helpers to separate target.

webrtc/test/BUILD.gn

Index: webrtc/test/BUILD.gn
diff --git a/webrtc/test/BUILD.gn b/webrtc/test/BUILD.gn
index c696979dd11105b7c4aed5bc81b74c28fca2978f..ec74591b6f6eeb75388ae77010775390fa2f02d2 100644
--- a/webrtc/test/BUILD.gn
+++ b/webrtc/test/BUILD.gn
@@ -297,8 +297,10 @@ rtc_source_set("fileutils") {
     "testsupport/fileutils.cc",
     "testsupport/fileutils.h",
   ]
+  deps = []
   if (is_ios) {
     sources += [ "testsupport/iosfileutils.mm" ]
+    deps += [ "//webrtc/sdk:rtc_sdk_helpers_objc" ]

[mbonadei, 2017/05/02 07:37:29]

Looking at the error it seems that we have to use the relative path here.

[kjellander_webrtc, 2017/05/02 09:03:47]

Thanks. I'm glad I ran the Chromium trybots.

   }
   visibility = [ ":*" ]
 }