Disk Cache: Supress tsan warnings for BackendTrimInvalidEntry2

net/disk_cache/backend_unittest.cc

 // Copyright (c) 2011 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.
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "base/threading/platform_thread.h"
@@ skipping 810 matching lines @@
   if (new_eviction_) {
     EXPECT_EQ(net::OK, DoomAllEntries());
   }
 
   entry->Close();  // Trim the cache.
   FlushQueueForTest();
 
   // We may abort the eviction before cleaning up everything.
   MessageLoop::current()->RunAllPending();
   FlushQueueForTest();
+  ANNOTATE_IGNORE_READS_AND_WRITES_BEGIN();
   EXPECT_GE(30, cache_->GetEntryCount());
+  ANNOTATE_IGNORE_READS_AND_WRITES_END();
 }
 
 // We'll be leaking memory from this test.
 TEST_F(DiskCacheBackendTest, TrimInvalidEntry2) {
   BackendTrimInvalidEntry2();
 }
 
 // We'll be leaking memory from this test.
 TEST_F(DiskCacheBackendTest, NewEvictionTrimInvalidEntry2) {
   SetNewEviction();
@@ skipping 1636 matching lines @@
   // Ping the oldest entry.
   cache_->OnExternalCacheHit("key0");
 
   TrimForTest(false);
 
   // Make sure the older key remains.
   EXPECT_EQ(1, cache_->GetEntryCount());
   ASSERT_EQ(net::OK, OpenEntry("key0", &entry));
   entry->Close();
 }