GN: Fix resource files for iOS test target

webrtc/media/BUILD.gn

Index: webrtc/media/BUILD.gn
diff --git a/webrtc/media/BUILD.gn b/webrtc/media/BUILD.gn
index c1eaea257dcd0d66dc0e01b079b59c7f49b43bae..0014e2d6157d4ad4b41dd860ec05439e98cc8d69 100644
--- a/webrtc/media/BUILD.gn
+++ b/webrtc/media/BUILD.gn
@@ -298,6 +298,28 @@ if (rtc_include_tests) {
     }
   }
 
+  if (is_android || is_ios) {
+    rtc_media_unittests_resources = [
+      "//resources/media/captured-320x240-2s-48.frames",
+      "//resources/media/faces.1280x720_P420.yuv",
+      "//resources/media/faces_I420.jpg",
+      "//resources/media/faces_I422.jpg",
+      "//resources/media/faces_I444.jpg",
+      "//resources/media/faces_I411.jpg",
+      "//resources/media/faces_I400.jpg",
+    ]
+  }
+
+  if (is_ios) {
+    bundle_data("rtc_media_unittests_bundle_data") {
+      testonly = true
+      sources = rtc_media_unittests_resources
+      outputs = [
+        "{{bundle_resources_dir}}/{{source_file_part}}",
+      ]
+    }
+  }
+
   test("rtc_media_unittests") {
     testonly = true
 
@@ -355,18 +377,12 @@ if (rtc_include_tests) {
 
     if (is_android) {
       deps += [ "//testing/android/native_test:native_test_support" ]
+      data = rtc_media_unittests_resources
       shard_timeout = 900
     }
-    if (is_android || is_ios) {
-      data = [
-        "//resources/media/captured-320x240-2s-48.frames",
-        "//resources/media/faces.1280x720_P420.yuv",
-        "//resources/media/faces_I420.jpg",
-        "//resources/media/faces_I422.jpg",
-        "//resources/media/faces_I444.jpg",
-        "//resources/media/faces_I411.jpg",
-        "//resources/media/faces_I400.jpg",
-      ]
+
+    if (is_ios) {
+      deps += [ ":rtc_media_unittests_bundle_data" ]
     }
 
     deps += [