Detect HDR capability

gpu/ipc/service/child_window_surface_win.h

Index: gpu/ipc/service/child_window_surface_win.h
diff --git a/gpu/ipc/service/child_window_surface_win.h b/gpu/ipc/service/child_window_surface_win.h
index 77b62bd9f92df408017e891a77c2780ade841f52..7923db34de86a772a66211fe04524708736e0d7e 100644
--- a/gpu/ipc/service/child_window_surface_win.h
+++ b/gpu/ipc/service/child_window_surface_win.h
@@ -20,6 +20,8 @@ class ChildWindowSurfaceWin : public gl::NativeViewGLSurfaceEGL {
                         base::WeakPtr<ImageTransportSurfaceDelegate> delegate,
                         HWND parent_window);
 
+  static bool IsHDRSupported();

[jbauman, 2017/06/15 21:45:00]

Could you add this to DirectCompositionSurfaceWin? I'm trying to get rid of
ChildWindowSurfaceWin.

[hubbe, 2017/06/20 23:09:34]

Done.

+
   // GLSurface implementation.
   EGLConfig GetConfig() override;
   bool Resize(const gfx::Size& size,