Fix crashing bug where device_path is set to unknown.

chromeos_cros_api.h

 // Copyright (c) 2010 The Chromium OS 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 CHROMEOS_CROS_API_VERSION_H_
 #define CHROMEOS_CROS_API_VERSION_H_
 
 #include <string>
 
 // This file defines two version numbers for the CrosAPI.
@@ skipping 83 matching lines @@
 //      the obsoleted variable hasn't been used for over a month.
 //      ScreenLock API is also added in this version.
 //  31: Added NotifyScreenUnlockRequested, and obsoleted NotifyScreenUnlocked.
 //      Added new ScreenLockState argument to ScreenLockMonitor callback.
 //  32: Added orientation information to InputMethodLookupTable.
 //  33: Added NotifyScreenLockRequested.
 //      Renamed ScreenLockState to ScreenLockEvent
 //  34: Added GetSystemInfo. Logs returned by GetSystemInfo are consumed by
 //      the bug report dialog when submitting user feedback to Google Feedback
 //  35: Removed deprecated methods for input method (see v28).
+//  36: Fix crashing but with device_path set to unknown.
 
 namespace chromeos {  // NOLINT
 
 enum CrosAPIVersion {
   kCrosAPIMinVersion = 29,
-  kCrosAPIVersion = 35
+  kCrosAPIVersion = 36
 };
 
 // Default path to pass to LoadCros: "/opt/google/chrome/chromeos/libcros.so"
 extern char const * const kCrosDefaultPath;
 
 // |path_to_libcros| is the path to the libcros.so file.
 // Returns true to indicate success.
 // If returns false, |load_error| will contain a string describing the
 // problem.
 bool LoadLibcros(const char* path_to_libcros, std::string& load_error);
 
 }  // namespace chromeos
 
 #endif /* CHROMEOS_CROS_API_VERSION_H_ */