Add DesktopCapturer::Result::MAX_RESULT

webrtc/modules/desktop_capture/desktop_capturer.h

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 19 matching lines @@
     // The frame was captured successfully.
     SUCCESS,
 
     // There was a temporary error. The caller should continue calling
     // Capture(), in the expectation that it will eventually recover.
     ERROR_TEMPORARY,
 
     // Capture has failed and will keep failing if the caller tries calling
     // Capture() again.
     ERROR_PERMANENT,
+
+    MAX_VALUE = ERROR_PERMANENT
   };
 
   // Interface that must be implemented by the DesktopCapturer consumers.
   class Callback {
    public:
     // Called after a frame has been captured. |frame| is not nullptr if and
     // only if |result| is SUCCESS.
     virtual void OnCaptureResult(Result result,
                                  std::unique_ptr<DesktopFrame> frame) {
       OnCaptureCompleted(frame.release());
@@ skipping 33 matching lines @@
   // Sets the window to be excluded from the captured image in the future
   // Capture calls. Used to exclude the screenshare notification window for
   // screen capturing.
   virtual void SetExcludedWindow(WindowId window) {}
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_DESKTOP_CAPTURER_H_