Tool added to extract network traffic annotations.

BUILD.gn

 # Copyright (c) 2013 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.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 254 matching lines @@
       "//ppapi/examples/video_encode",
       "//printing:printing_unittests",
       "//third_party/cacheinvalidation:cacheinvalidation_unittests",
       "//third_party/codesighs",
       "//third_party/pdfium/samples:pdfium_test",
       "//tools/battor_agent",
       "//tools/battor_agent:battor_agent_unittests",
       "//tools/gn",
       "//tools/gn:gn_unittests",
       "//tools/perf/clear_system_cache",
+      "//tools/traffic_annotation:traffic_annotation_auditor",
       "//ui/accessibility:accessibility_unittests",
     ]
   }
 
   if (!is_ios) {
     # TODO(GYP): Figure out which of these should actually build on iOS,
     # and whether there should be other targets that are iOS-only and missing.
     deps += [
       "//cc:cc_unittests",
       "//chrome/test:telemetry_perf_unittests",
@@ skipping 868 matching lines @@
       "//ui/display:display_unittests",
       "//ui/events:events_unittests",
       "//ui/gfx:gfx_unittests",
       "//ui/gl:gl_unittests",
       "//ui/keyboard:keyboard_unittests",
       "//ui/touch_selection:ui_touch_selection_unittests",
       "//url:url_unittests",
     ]
   }
 }