Switch to mojo localstorage backend by default.

content/browser/dom_storage/local_storage_context_mojo_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 "content/browser/dom_storage/local_storage_context_mojo.h"
 
 #include "base/files/file_enumerator.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 120 matching lines @@
     if (context_)
       ShutdownContext();
   }
 
   LocalStorageContextMojo* context() {
     if (!context_) {
       context_ = new LocalStorageContextMojo(
           nullptr, task_runner_, temp_path_.GetPath(),
           base::FilePath(FILE_PATH_LITERAL("leveldb")),
           special_storage_policy());
-      db_binding_.Bind(context_->DatabaseRequestForTesting());
+      leveldb::mojom::LevelDBDatabaseAssociatedPtr database_ptr;
+      leveldb::mojom::LevelDBDatabaseAssociatedRequest request =
+          MakeIsolatedRequest(&database_ptr);
+      context_->SetDatabaseForTesting(std::move(database_ptr));
+      db_binding_.Bind(std::move(request));
     }
     return context_;
   }
 
   void ShutdownContext() {
     context_->ShutdownAndDelete();
     context_ = nullptr;
     base::RunLoop().RunUntilIdle();
   }
 
@@ skipping 744 matching lines @@
 
   // Data should have been preserved now.
   context = new LocalStorageContextMojo(connector(), nullptr, base::FilePath(),
                                         test_path, nullptr);
   EXPECT_TRUE(DoTestGet(context, key, &result));
   EXPECT_EQ(value, result);
   context->ShutdownAndDelete();
 }
 
 }  // namespace content