Retrieved Hostlist information from Directory service.

remoting/test/host_list_fetcher.h

Index: remoting/test/host_list_fetcher.h
diff --git a/remoting/test/host_list_fetcher.h b/remoting/test/host_list_fetcher.h
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+// 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 REMOTING_TEST_HOST_LIST_FETCHER_H_
+#define REMOTING_TEST_HOST_LIST_FETCHER_H_
+
+#include <string>
+#include <vector>
+
+#include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "net/url_request/url_fetcher_delegate.h"
+#include "remoting/test/host_info.h"
+
+namespace net {
+class UrlFetcher;
+}
+namespace remoting {
+class URLRequestContextGetter;
+}
+
+namespace remoting {
+namespace test {
+
+// Used by the HostlistFetcher to make HTTP requests and also by the
+// unittests for this class to set fake response data for these URLs.
+const char kHostListProdRequestUrl[] = "https://www.googleapis.com/"
+    "chromoting/v1/@me/hosts";
+
+// Requests a host list from the directory service for an access token.
+// Destroying the RemoteHostInfoFetcher while a request is outstanding
+// will cancel the request. It is safe to delete the fetcher from within a
+// completion callback.  Must be used from a thread running a message loop.
+// The public method is virtual to allow for mocking and fakes.
+class HostListFetcher : public net::URLFetcherDelegate {
+ public:
+  HostListFetcher();
+  ~HostListFetcher() override;
+
+  // Supplied by the client for each hostlist request and returns a valid,
+  // initialized Hostlist object on success.
+  typedef base::Callback<void(const std::vector<HostInfo>& hostlist)>
+    HostlistCallback;
+
+  // Makes a service call to retrieve a hostlist. The
+  // callback will be called once the HTTP request has completed.
+  virtual void RetrieveHostlist(const std::string& access_token,
+                                const HostlistCallback& callback);
+
+ private:
+  // Processes the response from the directory service.
+  bool ProcessResponse(std::vector<HostInfo>* hostlist);
+
+  // net::URLFetcherDelegate interface.
+  void OnURLFetchComplete(const net::URLFetcher* source) override;
+
+  // Holds the URLFetcher for the Host List request.
+  scoped_ptr<net::URLFetcher> request_;
+
+  // Provides application-specific context for the network request.
+  scoped_refptr<remoting::URLRequestContextGetter> request_context_getter_;
+
+  // Caller-supplied callback used to return hostlist on success.
+  HostlistCallback hostlist_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(HostListFetcher);
+};
+
+}  // namespace test
+}  // namespace remoting
+
+#endif  // REMOTING_TEST_HOST_LIST_FETCHER_H_