Allow presenting DXGI share handles as overlays.

media/gpu/dxva_picture_buffer_win.cc

Index: media/gpu/dxva_picture_buffer_win.cc
diff --git a/media/gpu/dxva_picture_buffer_win.cc b/media/gpu/dxva_picture_buffer_win.cc
index d7df906d922f5184bd97c93d34db7270097154fd..a28455748c2f9eedc66e0877b99e95f09ab0a8bc 100644
--- a/media/gpu/dxva_picture_buffer_win.cc
+++ b/media/gpu/dxva_picture_buffer_win.cc
@@ -530,7 +530,7 @@ bool EGLStreamPictureBuffer::BindSampleToTexture(
   result = eglStreamConsumerAcquireKHR(egl_display, stream_);
   RETURN_ON_FAILURE(result, "Could not post acquire stream", false);
   gl::GLImageDXGI* gl_image_dxgi =
-      gl::GLImageDXGI::FromGLImage(gl_image_.get());
+      static_cast<gl::GLImageDXGI*>(gl_image_.get());
   DCHECK(gl_image_dxgi);
 
   gl_image_dxgi->SetTexture(dx11_decoding_texture_, subresource);
@@ -647,7 +647,7 @@ bool EGLStreamDelayedCopyPictureBuffer::BindSampleToTexture(
   DCHECK(decoder->enumerator_);
 
   gl::GLImageDXGI* gl_image_dxgi =
-      gl::GLImageDXGI::FromGLImage(gl_image_.get());
+      static_cast<gl::GLImageDXGI*>(gl_image_.get());

[sandersd (OOO until July 31), 2017/07/11 17:47:02]

Cast directly to CopyingGLImageDXGI here?

   DCHECK(gl_image_dxgi);
 
   gl_image_dxgi->SetTexture(dx11_decoding_texture_, subresource);
@@ -802,7 +802,7 @@ bool EGLStreamCopyPictureBuffer::CopySurfaceComplete(
   result = eglStreamConsumerAcquireKHR(egl_display, stream_);
   RETURN_ON_FAILURE(result, "Could not post acquire stream", false);
   gl::GLImageDXGI* gl_image_dxgi =
-      gl::GLImageDXGI::FromGLImage(gl_image_.get());
+      static_cast<gl::GLImageDXGI*>(gl_image_.get());
   DCHECK(gl_image_dxgi);
 
   gl_image_dxgi->SetTexture(angle_copy_texture_, 0);