mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

components/profile_service/profile_service_impl.h

 // 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.
 
 #ifndef COMPONENTS_PROFILE_SERVICE_PROFILE_SERVICE_IMPL_H_
 #define COMPONENTS_PROFILE_SERVICE_PROFILE_SERVICE_IMPL_H_
 
+#include "base/bind.h"
 #include "base/files/file_path.h"
 #include "components/filesystem/public/interfaces/directory.mojom.h"
 #include "components/profile_service/public/interfaces/profile.mojom.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "mojo/shell/public/cpp/connection.h"
 
 namespace filesystem {
 class LockTable;
 }
 
+namespace mojo {
+class MessageLoopRef;
+}
+
 namespace profile {
 
 // A service which serves directories to callers.
 class ProfileServiceImpl : public ProfileService {
  public:
   ProfileServiceImpl(mojo::Connection* connection,
                      mojo::InterfaceRequest<ProfileService> request,
+                     scoped_ptr<mojo::MessageLoopRef> ref,
                      base::FilePath base_profile_dir,
                      filesystem::LockTable* lock_table);
   ~ProfileServiceImpl() override;
 
   // Overridden from ProfileService:
   void GetDirectory(
-      mojo::InterfaceRequest<filesystem::Directory> request) override;
+      mojo::InterfaceRequest<filesystem::Directory> request,
+      const GetDirectoryCallback& callback) override;
 
  private:
+  // Causes our application to quit when we go out of scope.
+  scoped_ptr<mojo::MessageLoopRef> message_loop_ref_;
+
   mojo::StrongBinding<ProfileService> binding_;
+  base::Closure on_service_destroyed_;
   filesystem::LockTable* lock_table_;
   base::FilePath path_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileServiceImpl);
 };
 
 }  // namespace profile
 
 #endif  // COMPONENTS_PROFILE_SERVICE_PROFILE_SERVICE_IMPL_H_