Enable fullscreen windows to be shown in mac window share picker

webrtc/modules/desktop_capture/mac/window_list_utils.h

 /*
  *  Copyright (c) 2014 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.
  */
 
 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_WINDOW_LIST_UTILS_H_
 #define WEBRTC_MODULES_DESKTOP_CAPTURE_WINDOW_LIST_UTILS_H_
 
+#include <ApplicationServices/ApplicationServices.h>
+
+#include "webrtc/modules/desktop_capture/mac/desktop_configuration.h"
 #include "webrtc/modules/desktop_capture/window_capturer.h"
 
 namespace webrtc {
 
 // A helper function to get the on-screen windows.
 bool GetWindowList(WindowCapturer::WindowList* windows);
 
+// Returns true if the window is occupying a full screen.
+bool IsWindowFullScreen(const MacDesktopConfiguration& desktop_config,
+                                 CFDictionaryRef window);
+
+// Returns true if the window is minimized.
+bool IsWindowMinimized(CGWindowID id);
+
+
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_WINDOW_LIST_UTILS_H_