Don't check IOSurfaceIsInUse for IOSurfaces wrapped in a CVPixelBuffer.

ui/gl/gl_image_io_surface.h

Index: ui/gl/gl_image_io_surface.h
diff --git a/ui/gl/gl_image_io_surface.h b/ui/gl/gl_image_io_surface.h
index 5774e12fb645be2d61bb8cbd4625c3abc14237b3..48496b741656a53d2cece98de26e48a89b55bfe7 100644
--- a/ui/gl/gl_image_io_surface.h
+++ b/ui/gl/gl_image_io_surface.h
@@ -65,6 +65,10 @@ class GL_EXPORT GLImageIOSurface : public GLImage {
   base::ScopedCFTypeRef<IOSurfaceRef> io_surface();
   base::ScopedCFTypeRef<CVPixelBufferRef> cv_pixel_buffer();
 
+  // Whether checking IOSurfaceIsInUse() will actually provide a meaningful
+  // signal about whether the Window Server is still using the IOSurface.
+  bool CanCheckIOSurfaceIsInUse() const;
+
   static unsigned GetInternalFormatForTesting(gfx::BufferFormat format);
 
  protected: