[Chromoting] Improve DirectX capturer to support multiple outputs

webrtc/modules/desktop_capture/BUILD.gn

Index: webrtc/modules/desktop_capture/BUILD.gn
diff --git a/webrtc/modules/desktop_capture/BUILD.gn b/webrtc/modules/desktop_capture/BUILD.gn
index 6caef4d719b5dea3d98b61b2dee86ae3853611e2..672433e32b444b68c2c181f05045c48d400c8e0d 100644
--- a/webrtc/modules/desktop_capture/BUILD.gn
+++ b/webrtc/modules/desktop_capture/BUILD.gn
@@ -72,8 +72,22 @@ source_set("desktop_capture") {
     "shared_memory.h",
     "win/cursor.cc",
     "win/cursor.h",
+    "win/d3d_device.cc",
+    "win/d3d_device.h",
     "win/desktop.cc",
     "win/desktop.h",
+    "win/dxgi_adapter_duplicator.cc",
+    "win/dxgi_adapter_duplicator.h",
+    "win/dxgi_duplicator_controller.cc",
+    "win/dxgi_duplicator_controller.h",
+    "win/dxgi_output_duplicator.cc",
+    "win/dxgi_output_duplicator.h",
+    "win/dxgi_texture.cc",
+    "win/dxgi_texture.h",
+    "win/dxgi_texture_mapping.cc",
+    "win/dxgi_texture_mapping.h",
+    "win/dxgi_texture_staging.cc",
+    "win/dxgi_texture_staging.h",
     "win/scoped_gdi_object.h",
     "win/scoped_thread_desktop.cc",
     "win/scoped_thread_desktop.h",
@@ -124,7 +138,10 @@ source_set("desktop_capture") {
   }
 
   if (is_win) {
-    libs = [ "d3d11.lib" ]
+    libs = [
+      "d3d11.lib",
+      "dxgi.lib",
+    ]
   }
 
   configs += [ "../..:common_config" ]