Remove GetWindowList / GetScreenList and SelectWindow / SelectScreen from WebRTC

webrtc/modules/desktop_capture/win/screen_capture_utils.cc

Index: webrtc/modules/desktop_capture/win/screen_capture_utils.cc
diff --git a/webrtc/modules/desktop_capture/win/screen_capture_utils.cc b/webrtc/modules/desktop_capture/win/screen_capture_utils.cc
index 1b3354527795f79fc1ae5cf61f1de0382d9e383f..7d9203f27b6915e72a5415c27f79988e67e10ae8 100644
--- a/webrtc/modules/desktop_capture/win/screen_capture_utils.cc
+++ b/webrtc/modules/desktop_capture/win/screen_capture_utils.cc
@@ -10,13 +10,14 @@
 
 #include "webrtc/modules/desktop_capture/win/screen_capture_utils.h"
 
-#include <assert.h>
 #include <windows.h>
 
+#include "webrtc/base/checks.h"
+
 namespace webrtc {
 
-bool GetScreenList(ScreenCapturer::ScreenList* screens) {
-  assert(screens->size() == 0);
+bool GetScreenList(DesktopCapturer::SourceList* screens) {
+  RTC_DCHECK(screens->size() == 0);
 
   BOOL enum_result = TRUE;
   for (int device_index = 0;; ++device_index) {
@@ -32,14 +33,12 @@ bool GetScreenList(ScreenCapturer::ScreenList* screens) {
     if (!(device.StateFlags & DISPLAY_DEVICE_ACTIVE))
       continue;
 
-    ScreenCapturer::Screen screen;
-    screen.id = device_index;
-    screens->push_back(screen);
+    screens->push_back({device_index, std::string()});
   }
   return true;
 }
 
-bool IsScreenValid(ScreenId screen, std::wstring* device_key) {
+bool IsScreenValid(DesktopCapturer::SourceId screen, std::wstring* device_key) {
   if (screen == kFullDesktopScreenId) {
     *device_key = L"";
     return true;
@@ -54,7 +53,8 @@ bool IsScreenValid(ScreenId screen, std::wstring* device_key) {
   return !!enum_result;
 }
 
-DesktopRect GetScreenRect(ScreenId screen, const std::wstring& device_key) {
+DesktopRect GetScreenRect(DesktopCapturer::SourceId screen,
+                          const std::wstring& device_key) {
   if (screen == kFullDesktopScreenId) {
     return DesktopRect::MakeXYWH(GetSystemMetrics(SM_XVIRTUALSCREEN),
                                  GetSystemMetrics(SM_YVIRTUALSCREEN),