[Chromecast] Disable net_unittests when running with sanitizers.

chromecast/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/buildflag_header.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
+import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//chromecast/build/tests/cast_test.gni")
 import("//chromecast/chromecast.gni")
 import("//media/media_options.gni")
 import("//tools/grit/repack.gni")
 import("//ui/ozone/ozone.gni")
 import("//v8/gni/v8.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
@@ skipping 203 matching lines @@
       # Running a batch of net_unittests has high overhead, so
       # run tests in batches of 25 to reduce number of batches (b/23156294).
       gtest_excludes = [ "CTLogVerifierTest.VerifiesValidConsistencyProofsFromReferenceGenerator" ]
       args = [
         "--test-launcher-timeout=90000",
         "--test-launcher-batch-limit=25",
       ]
     }
   }
   filters += [ net_unittests_filter ]
+
+  # TODO(mbjorge): net_unittests do not complete when run with sanitizers,
+  # (in particular, TSAN and UBSAN), resulting in build machines getting stuck
+  # for many hours. Disable them for now, since these are getting run on
+  # Chromium bots anyway. (internal b/31279943)
+  if (using_sanitizer) {
+    tests -= [ "//net:net_unittests" ]
+    filters -= [ net_unittests_filter ]
+  }
 }
 
 # Creates the build and run lists for all test targets.
 cast_test_group_list("cast_test_lists") {
   build_list_path = "$root_out_dir/tests/build_test_list.txt"
 
   run_list_path = "$root_out_dir/tests/run_test_list.txt"
 
   additional_options = [ "--ozone-platform=headless --test-launcher-bot-mode" ]
 
@@ skipping 181 matching lines @@
     apk_name = "CastShell"
     android_manifest = "$root_gen_dir/cast_shell_manifest/AndroidManifest.xml"
     android_manifest_dep = "//chromecast/browser/android:cast_shell_manifest"
     deps = [
       ":cast_shell_apk_assets",
       "//chromecast/android:libcast_shell_android",
       "//chromecast/browser/android:cast_shell_java",
     ]
   }
 }