Merge ScreenCapturerWinDirectx::frames_ and contexts_

webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc

Index: webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc
diff --git a/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc b/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc
index 52bf2a194b0aae33190689b53c6cdd76290d25f5..caef1c2ca7b67c802b73040fd8f5337488187150 100644
--- a/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc
+++ b/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc
@@ -31,10 +31,6 @@ bool IsValidRect(const RECT& rect) {
 
 }  // namespace
 
-DxgiAdapterDuplicator::Context::Context() = default;
-DxgiAdapterDuplicator::Context::Context(const Context& other) = default;
-DxgiAdapterDuplicator::Context::~Context() = default;
-
 DxgiAdapterDuplicator::DxgiAdapterDuplicator(const D3dDevice& device)
     : device_(device) {}
 DxgiAdapterDuplicator::DxgiAdapterDuplicator(DxgiAdapterDuplicator&&) = default;