Delete and try to recreate localstorage database on invalid schema version.

components/leveldb/remote_iterator_unittest.cc

 // Copyright 2016 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 <map>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "components/leveldb/public/cpp/remote_iterator.h"
@@ skipping 34 matching lines @@
   ~RemoteIteratorTest() override {}
 
  protected:
   // Overridden from mojo::test::ApplicationTestBase:
   void SetUp() override {
     ServiceTest::SetUp();
     connector()->BindInterface("leveldb", &leveldb_);
 
     mojom::DatabaseError error;
     base::RunLoop run_loop;
-    leveldb()->OpenInMemory(MakeRequest(&database_),
-                            Capture(&error, run_loop.QuitClosure()));
+    leveldb()->OpenInMemory(
+        MakeRequest(&database_, leveldb().associated_group()),
+        Capture(&error, run_loop.QuitClosure()));
     run_loop.Run();
     EXPECT_EQ(mojom::DatabaseError::OK, error);
 
     std::map<std::string, std::string> data{
         {"a", "first"}, {"b:suffix", "second"}, {"c", "third"}};
 
     for (auto p : data) {
       // Write a key to the database.
       error = mojom::DatabaseError::INVALID_ARGUMENT;
       base::RunLoop run_loop;
       database_->Put(StdStringToUint8Vector(p.first),
                      StdStringToUint8Vector(p.second),
                      Capture(&error, run_loop.QuitClosure()));
       run_loop.Run();
       EXPECT_EQ(mojom::DatabaseError::OK, error);
     }
   }
 
   void TearDown() override {
     leveldb_.reset();
     ServiceTest::TearDown();
   }
 
   mojom::LevelDBServicePtr& leveldb() { return leveldb_; }
-  mojom::LevelDBDatabasePtr& database() { return database_; }
+  mojom::LevelDBDatabaseAssociatedPtr& database() { return database_; }
 
  private:
   mojom::LevelDBServicePtr leveldb_;
-  mojom::LevelDBDatabasePtr database_;
+  mojom::LevelDBDatabaseAssociatedPtr database_;
 
   DISALLOW_COPY_AND_ASSIGN(RemoteIteratorTest);
 };
 
 TEST_F(RemoteIteratorTest, Seeking) {
   base::UnguessableToken iterator;
   base::RunLoop run_loop;
   database()->NewIterator(CaptureToken(&iterator, run_loop.QuitClosure()));
   run_loop.Run();
   EXPECT_FALSE(iterator.is_empty());
@@ skipping 70 matching lines @@
   EXPECT_TRUE(it.Valid());
   EXPECT_EQ("a", it.key());
   EXPECT_EQ("first", it.value());
 
   it.Prev();
   EXPECT_FALSE(it.Valid());
 }
 
 }  // namespace
 }  // namespace leveldb