[DesktopCapture] Detect screen resolution changes in DirectX capturer

webrtc/modules/desktop_capture/win/dxgi_texture_staging.h

Index: webrtc/modules/desktop_capture/win/dxgi_texture_staging.h
diff --git a/webrtc/modules/desktop_capture/win/dxgi_texture_staging.h b/webrtc/modules/desktop_capture/win/dxgi_texture_staging.h
index 3bdf30e21584b78c6dbbf3fc1aee54a60d3d2b71..1be476d2f292d4ee65841a898936829b7f0eb823 100644
--- a/webrtc/modules/desktop_capture/win/dxgi_texture_staging.h
+++ b/webrtc/modules/desktop_capture/win/dxgi_texture_staging.h
@@ -33,18 +33,18 @@ class DxgiTextureStaging : public DxgiTexture {
  public:
   // Creates a DxgiTextureStaging instance. Caller must maintain the lifetime
   // of input device to make sure it outlives this instance.
-  DxgiTextureStaging(const DesktopSize& desktop_size, const D3dDevice& device);
+  explicit DxgiTextureStaging(const D3dDevice& device);
 
   ~DxgiTextureStaging() override;
 
-  // Copies selected regions of a frame represented by frame_info and resource.
+ private:
+  // Copies selected regions of a frame represented by frame_info and texture.
   // Returns false if anything wrong.
-  bool CopyFrom(const DXGI_OUTDUPL_FRAME_INFO& frame_info,
-                IDXGIResource* resource) override;
+  bool CopyFromTexture(const DXGI_OUTDUPL_FRAME_INFO& frame_info,
+                       ID3D11Texture2D* texture) override;
 
   bool DoRelease() override;
 
- private:
   // Initializes stage_ from a CPU inaccessible IDXGIResource. Returns false if
   // it failed to execute Windows APIs, or the size of the texture is not
   // consistent with desktop_rect.