leveldb: Use base::RepeatingCallback in DBTracker.

third_party/leveldatabase/env_chromium_unittest.cc

 // 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.
 
 #include <set>
 #include <vector>
 
+#include "base/bind.h"
 #include "base/files/file.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/test/test_suite.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 184 matching lines @@
     testing::Test::SetUp();
     ASSERT_TRUE(scoped_temp_dir_.CreateUniqueTempDir());
   }
 
   const base::FilePath& temp_path() const { return scoped_temp_dir_.GetPath(); }
 
   using VisitedDBSet = std::set<DBTracker::TrackedDB*>;
 
   static VisitedDBSet VisitDatabases() {
     VisitedDBSet visited;
-    auto db_visitor = [&](DBTracker::TrackedDB* db) {
-      ASSERT_TRUE(visited.insert(db).second)
+    auto db_visitor = [](VisitedDBSet* visited, DBTracker::TrackedDB* db) {
+      ASSERT_TRUE(visited->insert(db).second)
           << "Database " << std::hex << db << " visited for the second time";
     };
-    DBTracker::GetInstance()->VisitDatabases(db_visitor);
+    DBTracker::GetInstance()->VisitDatabases(
+        base::BindRepeating(db_visitor, base::Unretained(&visited)));
     return visited;
   }
 
   using LiveDBSet = std::vector<std::unique_ptr<DBTracker::TrackedDB>>;
 
   void AssertEqualSets(const LiveDBSet& live_dbs,
                        const VisitedDBSet& visited_dbs) {
     for (const auto& live_db : live_dbs) {
       ASSERT_EQ(1u, visited_dbs.count(live_db.get()))
           << "Database " << std::hex << live_db.get() << " was not visited";
@@ skipping 92 matching lines @@
   ASSERT_TRUE(status.ok()) << status.ToString();
 
   auto visited_dbs = VisitDatabases();
 
   // Databases returned by OpenDB() should be tracked.
   ASSERT_EQ(1u, visited_dbs.size());
   ASSERT_EQ(db.get(), *visited_dbs.begin());
 }
 
 int main(int argc, char** argv) { return base::TestSuite(argc, argv).Run(); }