Support getting and deleting token for Instance ID.

google_apis/gcm/engine/instance_id_delete_token_request_handler.h

+// Copyright 2015 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 GOOGLE_APIS_GCM_ENGINE_INSTANCE_ID_DELETE_TOKEN_REQUEST_HANDLER_H_
+#define GOOGLE_APIS_GCM_ENGINE_INSTANCE_ID_DELETE_TOKEN_REQUEST_HANDLER_H_
+
+#include <string>
+
+#include "google_apis/gcm/engine/unregistration_request.h"
+
+namespace gcm {
+
+// Provides custom logic to handle DeleteToken request for InstanceID.
+class GCM_EXPORT InstanceIDDeleteTokenRequestHandler :
+  public UnregistrationRequest::CustomRequestHandler {
+ public:
+  InstanceIDDeleteTokenRequestHandler(
+      const std::string& instance_id,
+      const std::string& authorized_entity,
+      const std::string& scope,
+      int gcm_version);
+  ~InstanceIDDeleteTokenRequestHandler() override;
+
+   // UnregistrationRequest overrides:
+  void BuildRequestBody(std::string* body) override;
+  UnregistrationRequest::Status ParseResponse(
+      const net::URLFetcher* source) override;
+
+ private:
+  std::string instance_id_;
+  std::string authorized_entity_;
+  std::string scope_;
+  int gcm_version_;
+
+  DISALLOW_COPY_AND_ASSIGN(InstanceIDDeleteTokenRequestHandler);
+};
+
+}  // namespace gcm
+
+#endif  // GOOGLE_APIS_GCM_ENGINE_INSTANCE_ID_DELETE_TOKEN_REQUEST_HANDLER_H_