Add links for base/third_party/libevent from Chrome.

This is needed for an upcoming task queue implementation.
The location of this folder was recently moved under base/ in Chromium, so I'm wondering if that's really the best way to do this for WebRTC as well.

NOTRY=True

Review URL: https://codereview.webrtc.org/1909223004

Cr-Commit-Position: refs/heads/master@{#12465}

setup_links.py

@@ -104,6 +104,11 @@ if 'android' in target_os:
     'tools/grit',
     'tools/telemetry',
   ]
+else:
+  DIRECTORIES += [
+    'base/third_party/libevent',
+  ]
+
 if 'ios' in target_os:
   DIRECTORIES.append('third_party/class-dump')
 

webrtc/base/DEPS

@@ -1,4 +1,5 @@
 include_rules = [
+  "+base/third_party/libevent",
   "+json",
   "+third_party/jsoncpp",
   "+webrtc/system_wrappers",