Remove unused header

Test: th
Change-Id: If16b326b526fec16d21f1eb4733f257227b4c8ee
diff --git a/client_library/include/update_engine/client.h b/client_library/include/update_engine/client.h
deleted file mode 100644
index f734733..0000000
--- a/client_library/include/update_engine/client.h
+++ /dev/null
@@ -1,133 +0,0 @@
-//
-// 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_CLIENT_LIBRARY_INCLUDE_UPDATE_ENGINE_CLIENT_H_
-#define UPDATE_ENGINE_CLIENT_LIBRARY_INCLUDE_UPDATE_ENGINE_CLIENT_H_
-
-#include <cstdint>
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "update_engine/status_update_handler.h"
-#include "update_engine/update_status.h"
-
-namespace update_engine {
-
-class UpdateEngineClient {
- public:
-  static std::unique_ptr<UpdateEngineClient> CreateInstance();
-
-  virtual ~UpdateEngineClient() = default;
-
-  // Force the update_engine to attempt an update.
-  // |app_version|
-  //     Attempt to update to this version.  An empty string indicates that
-  //     update engine should pick the most recent image on the current channel.
-  // |omaha_url|
-  //     Force update_engine to look for updates from the given server.  Passing
-  //     empty indicates update_engine should get this parameter from its
-  //     config.  Note that update_engine will ignore this parameter in
-  //     production mode to avoid pulling untrusted updates.
-  // |at_user_request|
-  //     This update was directly requested by the user.
-  virtual bool AttemptUpdate(const std::string& app_version,
-                             const std::string& omaha_url,
-                             bool at_user_request) = 0;
-
-  // Request the update_engine to install a list of DLC modules.
-  // |omaha_url|
-  //     Force update_engine to look for updates from the given server. Passing
-  //     empty indicates update_engine should use its default value. Note that
-  //     update_engine will ignore this parameter in production mode to avoid
-  //     pulling untrusted updates.
-  // |dlc_ids|
-  //     A list of DLC module IDs.
-  virtual bool AttemptInstall(const std::string& omaha_url,
-                              const std::vector<std::string>& dlc_ids) = 0;
-
-  // Same as above but return the entire struct instead.
-  virtual bool GetStatus(UpdateEngineStatus* out_status) const = 0;
-
-  // Sets the DLC as active or inactive. When set to active, the ping metadata
-  // for the DLC is updated accordingly. When set to inactive, the metadata
-  // for the DLC is deleted.
-  virtual bool SetDlcActiveValue(bool is_active, const std::string& dlc_id) = 0;
-
-  // Getter and setter for the cohort hint.
-  virtual bool SetCohortHint(const std::string& cohort_hint) = 0;
-  virtual bool GetCohortHint(std::string* cohort_hint) const = 0;
-
-  // Getter and setter for the updates over cellular connections.
-  virtual bool SetUpdateOverCellularPermission(bool allowed) = 0;
-  virtual bool GetUpdateOverCellularPermission(bool* allowed) const = 0;
-
-  // Getter and setter for the updates from P2P permission.
-  virtual bool SetP2PUpdatePermission(bool enabled) = 0;
-  virtual bool GetP2PUpdatePermission(bool* enabled) const = 0;
-
-  // Attempt a rollback. Set 'powerwash' to reset the device while rolling
-  // back.
-  virtual bool Rollback(bool powerwash) = 0;
-
-  // Get the rollback partition if available. Gives empty string if not.
-  virtual bool GetRollbackPartition(std::string* rollback_partition) const = 0;
-
-  // Reboot the system if needed.
-  virtual void RebootIfNeeded() = 0;
-
-  // Get the previous version
-  virtual bool GetPrevVersion(std::string* prev_version) const = 0;
-
-  // Resets the status of the Update Engine
-  virtual bool ResetStatus() = 0;
-
-  // Changes the current channel of the device to the target channel.
-  virtual bool SetTargetChannel(const std::string& target_channel,
-                                bool allow_powerwash) = 0;
-
-  // Get the channel the device will switch to on reboot.
-  virtual bool GetTargetChannel(std::string* out_channel) const = 0;
-
-  // Get the channel the device is currently on.
-  virtual bool GetChannel(std::string* out_channel) const = 0;
-
-  // Handle status updates. The handler must exist until the client is
-  // destroyed or UnregisterStatusUpdateHandler is called for it. Its IPCError
-  // method will be called if the handler could not be registered. Otherwise
-  // its HandleStatusUpdate method will be called every time update_engine's
-  // status changes. Will always report the status on registration to prevent
-  // race conditions.
-  virtual bool RegisterStatusUpdateHandler(StatusUpdateHandler* handler) = 0;
-
-  // Unregister a status update handler
-  virtual bool UnregisterStatusUpdateHandler(StatusUpdateHandler* handler) = 0;
-
-  // Get the last UpdateAttempt error code.
-  virtual bool GetLastAttemptError(int32_t* last_attempt_error) const = 0;
-
- protected:
-  // Use CreateInstance().
-  UpdateEngineClient() = default;
-
- private:
-  UpdateEngineClient(const UpdateEngineClient&) = delete;
-  void operator=(const UpdateEngineClient&) = delete;
-};  // class UpdateEngineClient
-
-}  // namespace update_engine
-
-#endif  // UPDATE_ENGINE_CLIENT_LIBRARY_INCLUDE_UPDATE_ENGINE_CLIENT_H_
diff --git a/client_library/include/update_engine/status_update_handler.h b/client_library/include/update_engine/status_update_handler.h
deleted file mode 100644
index 238f6bd..0000000
--- a/client_library/include/update_engine/status_update_handler.h
+++ /dev/null
@@ -1,46 +0,0 @@
-//
-// Copyright (C) 2012 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.
-//
-
-// NOLINTNEXTLINE(whitespace/line_length)
-#ifndef UPDATE_ENGINE_CLIENT_LIBRARY_INCLUDE_UPDATE_ENGINE_STATUS_UPDATE_HANDLER_H_
-// NOLINTNEXTLINE(whitespace/line_length)
-#define UPDATE_ENGINE_CLIENT_LIBRARY_INCLUDE_UPDATE_ENGINE_STATUS_UPDATE_HANDLER_H_
-
-#include <string>
-
-#include "update_engine/client.h"
-#include "update_engine/update_status.h"
-
-namespace update_engine {
-
-// Handles update_engine status changes. An instance of this class can be
-// registered with UpdateEngineClient and will respond to any update_engine
-// status changes.
-class StatusUpdateHandler {
- public:
-  virtual ~StatusUpdateHandler() = default;
-
-  // Runs when we fail to register the handler due to an IPC error.
-  virtual void IPCError(const std::string& error) = 0;
-
-  // Runs every time update_engine reports a status change.
-  virtual void HandleStatusUpdate(const UpdateEngineStatus& status) = 0;
-};
-
-}  // namespace update_engine
-
-// NOLINTNEXTLINE(whitespace/line_length)
-#endif  // UPDATE_ENGINE_CLIENT_LIBRARY_INCLUDE_UPDATE_ENGINE_STATUS_UPDATE_HANDLER_H_