Enable clang style plugin in webrtc/modules/desktop_capture

webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.h

Index: webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.h
diff --git a/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.h b/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.h
index a9e61035fa3d83cf59f84e82f55d04b2b581d1c3..0261105ea09c46ac8d9d2dd823000c1dd4da45fe 100644
--- a/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.h
+++ b/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.h
@@ -28,6 +28,10 @@ namespace webrtc {
 class DxgiAdapterDuplicator {
  public:
   struct Context {
+    Context();
+    Context(const Context& other);
+    ~Context();
+
     // Child DxgiOutputDuplicator::Context belongs to this
     // DxgiAdapterDuplicator::Context.
     std::vector<DxgiOutputDuplicator::Context> contexts;
@@ -41,6 +45,8 @@ class DxgiAdapterDuplicator {
   // DxgiAdapterDuplicator in std::vector<>.
   DxgiAdapterDuplicator(DxgiAdapterDuplicator&& other);
 
+  ~DxgiAdapterDuplicator();
+
   // Initializes the DxgiAdapterDuplicator from a D3dDevice.
   bool Initialize();