Remove indexed_db_messages.h.

content/browser/indexed_db/indexed_db_unittest.cc

 // Copyright (c) 2012 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 <stdint.h>
 #include <utility>
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
@@ skipping 122 matching lines @@
         idb_context_(idb_context),
         origin_(origin) {}
 
   void OnSuccess() override {}
   void OnSuccess(const std::vector<base::string16>&) override {}
   void OnSuccess(std::unique_ptr<IndexedDBConnection> connection,
                  const IndexedDBDatabaseMetadata& metadata) override {
     connection_ = std::move(connection);
     idb_context_->ConnectionOpened(origin_, connection_.get());
   }
-  bool IsValid() const override { return true; }
 
   IndexedDBConnection* connection() { return connection_.get(); }
 
  protected:
   ~ForceCloseDBCallbacks() override {}
 
  private:
   scoped_refptr<IndexedDBContextImpl> idb_context_;
   Origin origin_;
   std::unique_ptr<IndexedDBConnection> connection_;
@@ skipping 127 matching lines @@
 
   // Simulate the write failure.
   leveldb::Status status = leveldb::Status::IOError("Simulated failure");
   context->GetIDBFactory()->HandleBackingStoreFailure(kTestOrigin);
 
   EXPECT_TRUE(db_callbacks->forced_close_called());
   EXPECT_FALSE(factory->IsBackingStoreOpen(kTestOrigin));
 }
 
 }  // namespace content