Delete unused classes DesktopId and ScreencastEventCatcher.

webrtc/base/window.h

Index: webrtc/base/window.h
diff --git a/webrtc/base/window.h b/webrtc/base/window.h
index e5b5d5088212b969641474f9e332237860fc6856..a4a9aa446561500c2bb3eec44322be3817586229 100644
--- a/webrtc/base/window.h
+++ b/webrtc/base/window.h
@@ -69,54 +69,6 @@ class WindowId {
   WindowT id_;
 };
 
-class DesktopId {
- public:
-  // Define DesktopT for each platform.
-#if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
-  typedef Window DesktopT;
-#elif defined(WEBRTC_WIN)
-  typedef HMONITOR DesktopT;
-#elif defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
-  typedef CGDirectDisplayID DesktopT;
-#else
-  typedef unsigned int DesktopT;
-#endif
-
-  static DesktopId Cast(int id, int index) {
-#if defined(WEBRTC_WIN)
-    return DesktopId(reinterpret_cast<DesktopId::DesktopT>(id), index);
-#else
-    return DesktopId(static_cast<DesktopId::DesktopT>(id), index);
-#endif
-  }
-
-  DesktopId() : id_(0), index_(-1) {}
-  DesktopId(const DesktopT& id, int index)  // NOLINT
-      : id_(id), index_(index) {
-  }
-  const DesktopT& id() const { return id_; }
-  int index() const { return index_; }
-  bool IsValid() const { return index_ != -1; }
-  bool Equals(const DesktopId& other) const {
-    return id_ == other.id() && index_ == other.index();
-  }
-
- private:
-  // Id is the platform specific desktop identifier.
-  DesktopT id_;
-  // Index is the desktop index as enumerated by each platform.
-  // Desktop capturer typically takes the index instead of id.
-  int index_;
-};
-
-// Window event types.
-enum WindowEvent {
-  WE_RESIZE = 0,
-  WE_CLOSE = 1,
-  WE_MINIMIZE = 2,
-  WE_RESTORE = 3,
-};
-
 inline std::string ToString(const WindowId& window) {
   return ToString(window.id());
 }