TopBorderOffset
float TopBorderOffset();
layout->SetInsets(padding, box->TopBorderOffset() + padding, padding,
rect.top += TopBorderOffset();
rect.top += TopBorderOffset();
.AddStrut(floorf(rightbox->TopBorderOffset()
- previewBox->TopBorderOffset()) - 1)
spacing, scrollBox->TopBorderOffset() * 2 + spacing, spacing, spacing);
.AddStrut(floorf(controlsBox->TopBorderOffset()
- fScreenBox->TopBorderOffset()))
boxLayout->SetInsets(kInset, kInset + box->TopBorderOffset(), kInset,