DirectX based screen capturer logic

webrtc/modules/desktop_capture/desktop_capture_options.h

Index: webrtc/modules/desktop_capture/desktop_capture_options.h
diff --git a/webrtc/modules/desktop_capture/desktop_capture_options.h b/webrtc/modules/desktop_capture/desktop_capture_options.h
index 68bb5884459ea13fe569a8e0d10483091f1f0450..2aa3e5197c0b3672d08a9e9dbaf574e116d35906 100644
--- a/webrtc/modules/desktop_capture/desktop_capture_options.h
+++ b/webrtc/modules/desktop_capture/desktop_capture_options.h
@@ -28,10 +28,6 @@ namespace webrtc {
 // capturers.
 class DesktopCaptureOptions {
  public:
-  // Creates an empty Options instance (e.g. without X display).
-  DesktopCaptureOptions();
-  ~DesktopCaptureOptions();
-
   // Returns instance of DesktopCaptureOptions with default parameters. On Linux
   // also initializes X window connection. x_display() will be set to null if
   // X11 connection failed (e.g. DISPLAY isn't set).
@@ -83,6 +79,14 @@ class DesktopCaptureOptions {
   void set_allow_use_magnification_api(bool allow) {
     allow_use_magnification_api_ = allow;
   }
+  // Allowing directx based capturer or not, this capturer works on windows 7
+  // with platform update / windows 8 or upper.
+  bool allow_directx_capturer() const {
+    return allow_directx_capturer_;
+  }
+  void set_allow_directx_capturer(bool enabled) {
+    allow_directx_capturer_ = enabled;
+  }
 #endif
 
  private:
@@ -97,10 +101,15 @@ class DesktopCaptureOptions {
 #endif
 
 #if defined(WEBRTC_WIN)
-  bool allow_use_magnification_api_;
+  bool allow_use_magnification_api_ = false;
+  bool allow_directx_capturer_ = false;
+#endif
+#if defined(USE_X11)
+  bool use_update_notifications_ = false;
+#else
+  bool use_update_notifications_ = true;
 #endif
-  bool use_update_notifications_;
-  bool disable_effects_;
+  bool disable_effects_ = true;
 };
 
 }  // namespace webrtc