This is a second attempt at submitting this changelist. The original one was...

net/socket/socket_test_util.cc

Index: net/socket/socket_test_util.cc
===================================================================
--- net/socket/socket_test_util.cc	(revision 28729)
+++ net/socket/socket_test_util.cc	(working copy)
@@ -334,6 +334,15 @@
 void ClientSocketPoolTest::TearDown() {
   // The tests often call Reset() on handles at the end which may post
   // DoReleaseSocket() tasks.
+  // Pending tasks created by client_socket_pool_base_unittest.cc are
+  // posted two milliseconds into the future and thus won't become
+  // scheduled until that time.
+  // We wait a few milliseconds to make sure that all such future tasks
+  // are ready to run, before calling RunAllPending(). This will work
+  // correctly even if Sleep() finishes late (and it should never finish
+  // early), as all we have to ensure is that actual wall-time has progressed
+  // past the scheduled starting time of the pending task.
+  PlatformThread::Sleep(10);
   MessageLoop::current()->RunAllPending();
 }