Remove GetWindowList / GetScreenList and SelectWindow / SelectScreen from WebRTC

webrtc/modules/desktop_capture/desktop_capturer.h

Index: webrtc/modules/desktop_capture/desktop_capturer.h
diff --git a/webrtc/modules/desktop_capture/desktop_capturer.h b/webrtc/modules/desktop_capture/desktop_capturer.h
index ecae4cb2e092f2d5bb0518fe7842194407871f39..71834a96f0efdeb167c41f6c5a19b0edc8fd160a 100644
--- a/webrtc/modules/desktop_capture/desktop_capturer.h
+++ b/webrtc/modules/desktop_capture/desktop_capturer.h
@@ -16,6 +16,7 @@
 
 #include <memory>
 #include <string>
+#include <type_traits>
 #include <vector>
 
 #include "webrtc/modules/desktop_capture/desktop_frame.h"
@@ -59,6 +60,9 @@ class DesktopCapturer {
 
   typedef intptr_t SourceId;
 
+  static_assert(std::is_same<SourceId, ScreenId>::value,
+                "SourceId should be a same type as ScreenId.");
+
   struct Source {
     // The unique id to represent a Source of current DesktopCapturer.
     SourceId id;