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diff --git a/aosp/binder_service_android.h b/aosp/binder_service_android.h
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+//
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#ifndef UPDATE_ENGINE_AOSP_BINDER_SERVICE_ANDROID_H_
+#define UPDATE_ENGINE_AOSP_BINDER_SERVICE_ANDROID_H_
+
+#include <stdint.h>
+
+#include <string>
+#include <vector>
+
+#include <utils/Errors.h>
+#include <utils/String16.h>
+#include <utils/StrongPointer.h>
+
+#include "android/os/BnUpdateEngine.h"
+#include "android/os/IUpdateEngineCallback.h"
+#include "update_engine/aosp/service_delegate_android_interface.h"
+#include "update_engine/common/service_observer_interface.h"
+
+namespace chromeos_update_engine {
+
+class BinderUpdateEngineAndroidService : public android::os::BnUpdateEngine,
+                                         public ServiceObserverInterface {
+ public:
+  explicit BinderUpdateEngineAndroidService(
+      ServiceDelegateAndroidInterface* service_delegate);
+  ~BinderUpdateEngineAndroidService() override = default;
+
+  const char* ServiceName() const { return "android.os.UpdateEngineService"; }
+
+  // ServiceObserverInterface overrides.
+  void SendStatusUpdate(
+      const update_engine::UpdateEngineStatus& update_engine_status) override;
+  void SendPayloadApplicationComplete(ErrorCode error_code) override;
+
+  // android::os::BnUpdateEngine overrides.
+  android::binder::Status applyPayload(
+      const android::String16& url,
+      int64_t payload_offset,
+      int64_t payload_size,
+      const std::vector<android::String16>& header_kv_pairs) override;
+  android::binder::Status applyPayloadFd(
+      const ::android::os::ParcelFileDescriptor& pfd,
+      int64_t payload_offset,
+      int64_t payload_size,
+      const std::vector<android::String16>& header_kv_pairs) override;
+  android::binder::Status bind(
+      const android::sp<android::os::IUpdateEngineCallback>& callback,
+      bool* return_value) override;
+  android::binder::Status unbind(
+      const android::sp<android::os::IUpdateEngineCallback>& callback,
+      bool* return_value) override;
+  android::binder::Status suspend() override;
+  android::binder::Status resume() override;
+  android::binder::Status cancel() override;
+  android::binder::Status resetStatus() override;
+  android::binder::Status verifyPayloadApplicable(
+      const android::String16& metadata_filename, bool* return_value) override;
+  android::binder::Status allocateSpaceForPayload(
+      const android::String16& metadata_filename,
+      const std::vector<android::String16>& header_kv_pairs,
+      int64_t* return_value) override;
+  android::binder::Status cleanupSuccessfulUpdate(
+      const android::sp<android::os::IUpdateEngineCallback>& callback) override;
+
+ private:
+  // Remove the passed |callback| from the list of registered callbacks. Called
+  // on unbind() or whenever the callback object is destroyed.
+  // Returns true on success.
+  bool UnbindCallback(const IBinder* callback);
+
+  // List of currently bound callbacks.
+  std::vector<android::sp<android::os::IUpdateEngineCallback>> callbacks_;
+
+  // Cached copy of the last status update sent. Used to send an initial
+  // notification when bind() is called from the client.
+  int last_status_{-1};
+  double last_progress_{0.0};
+
+  ServiceDelegateAndroidInterface* service_delegate_;
+};
+
+}  // namespace chromeos_update_engine
+
+#endif  // UPDATE_ENGINE_AOSP_BINDER_SERVICE_ANDROID_H_