Fixing uninitialized variable in CTD EnvironmentOptions struct

remoting/test/chromoting_test_driver_environment.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 REMOTING_TEST_CHROMOTING_TEST_DRIVER_ENVIRONMENT_H_
 #define REMOTING_TEST_CHROMOTING_TEST_DRIVER_ENVIRONMENT_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 22 matching lines @@
  public:
   struct EnvironmentOptions {
     EnvironmentOptions();
     ~EnvironmentOptions();
 
     std::string user_name;
     std::string host_name;
     std::string host_jid;
     std::string pin;
     base::FilePath refresh_token_file_path;
-    bool use_test_environment;
+    bool use_test_environment = false;
   };
 
   explicit ChromotingTestDriverEnvironment(const EnvironmentOptions& options);
   ~ChromotingTestDriverEnvironment() override;
 
   // Returns false if a valid access token cannot be retrieved.
   bool Initialize(const std::string& auth_code);
 
   // Retrieves connection information for all known hosts and displays
   // their availability to STDOUT.
@@ skipping 99 matching lines @@
 
 // Unfortunately a global var is how the GTEST framework handles sharing data
 // between tests and keeping long-lived objects around. Used to share access
 // tokens and a host list across tests.
 extern ChromotingTestDriverEnvironment* g_chromoting_shared_data;
 
 }  // namespace test
 }  // namespace remoting
 
 #endif  // REMOTING_TEST_CHROMOTING_TEST_DRIVER_ENVIRONMENT_H_