NormalizeFromViewport 117 cc/input/page_scale_animation.cc gfx::Vector2dF normalized = NormalizeFromViewport( NormalizeFromViewport 217 cc/input/page_scale_animation.cc NormalizeFromViewport(start_anchor_ - start_scroll_offset_, NormalizeFromViewport 220 cc/input/page_scale_animation.cc NormalizeFromViewport(target_anchor_ - target_scroll_offset_,