DirectX based screen capturer logic

webrtc/modules/desktop_capture/desktop_capture.gypi

Index: webrtc/modules/desktop_capture/desktop_capture.gypi
diff --git a/webrtc/modules/desktop_capture/desktop_capture.gypi b/webrtc/modules/desktop_capture/desktop_capture.gypi
index b92447c3497651cc9f2a0413abb728fd171685d6..6004df75696adfc094f66dde7e0975ee08083dbc 100644
--- a/webrtc/modules/desktop_capture/desktop_capture.gypi
+++ b/webrtc/modules/desktop_capture/desktop_capture.gypi
@@ -73,9 +73,13 @@
         "win/cursor.h",
         "win/desktop.cc",
         "win/desktop.h",
+        "win/desktop_frame_win_dxgi.cc",
+        "win/desktop_frame_win_dxgi.h",
         "win/scoped_gdi_object.h",
         "win/scoped_thread_desktop.cc",
         "win/scoped_thread_desktop.h",
+        "win/screen_capturer_win_directx.cc",
+        "win/screen_capturer_win_directx.h",
         "win/screen_capturer_win_gdi.cc",
         "win/screen_capturer_win_gdi.h",
         "win/screen_capturer_win_magnifier.cc",
@@ -131,6 +135,19 @@
           },
         }],
       ],
+      'all_dependent_settings': {
+        'conditions': [
+          ['OS=="win"', {
+            'msvs_settings': {
+              'VCLinkerTool': {
+                'AdditionalDependencies': [
+                  'd3d11.lib',
+                ],
+              },
+            },
+          }],
+        ],
+      },
     },
   ],  # targets
   'conditions': [