Integration tests for public Download API

Bug: 780646
Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: I73d042eb7ea3f7124e1e4cca467994f2b4d41d69
Reviewed-on: https://chromium-review.googlesource.com/726896
Commit-Queue: Eugene But <[email protected]>
Reviewed-by: Sylvain Defresne <[email protected]>
Cr-Commit-Position: refs/heads/master@{#518516}
diff --git a/ios/web/BUILD.gn b/ios/web/BUILD.gn
index b973a009..3fc4580c 100644
--- a/ios/web/BUILD.gn
+++ b/ios/web/BUILD.gn
@@ -533,6 +533,7 @@
     "//ios/testing:http_server_bundle_data",
     "//ios/testing:ios_test_support",
     "//ios/web:resources_grit",
+    "//ios/web/download:download_inttests",
     "//ios/web/navigation:core",
     "//ios/web/public/test",
     "//ios/web/public/test/fakes",