[glyf] Rename get_extents functions for clarity

src/OT/glyf/Glyph.hh

@@ -198,11 +198,11 @@ struct Glyph
     return !all_points.in_error ();
   }
 
-  bool get_extents (hb_font_t *font, const glyf_accelerator_t &glyf_accelerator,
-		    hb_glyph_extents_t *extents) const
+  bool get_extents_without_var_scaled (hb_font_t *font, const glyf_accelerator_t &glyf_accelerator,
+				       hb_glyph_extents_t *extents) const
   {
     if (type == EMPTY) return true; /* Empty glyph; zero extents. */
-    return header->get_extents (font, glyf_accelerator, gid, extents);
+    return header->get_extents_without_var_scaled (font, glyf_accelerator, gid, extents);
   }
 
   hb_bytes_t get_bytes () const { return bytes; }

src/OT/glyf/GlyphHeader.hh

@@ -14,8 +14,8 @@ struct GlyphHeader
   bool has_data () const { return numberOfContours; }
 
   template <typename accelerator_t>
-  bool get_extents (hb_font_t *font, const accelerator_t &glyf_accelerator,
-		    hb_codepoint_t gid, hb_glyph_extents_t *extents) const
+  bool get_extents_without_var_scaled (hb_font_t *font, const accelerator_t &glyf_accelerator,
+				       hb_codepoint_t gid, hb_glyph_extents_t *extents) const
   {
     /* Undocumented rasterizer behavior: shift glyph to the left by (lsb - xMin), i.e., xMin = lsb */
     /* extents->x_bearing = hb_min (glyph_header.xMin, glyph_header.xMax); */

src/OT/glyf/glyf.hh

@@ -310,7 +310,7 @@ struct glyf_accelerator_t
     if (font->num_coords)
       return get_points (font, gid, points_aggregator_t (font, extents, nullptr, true));
 #endif
-    return glyph_for_gid (gid).get_extents (font, *this, extents);
+    return glyph_for_gid (gid).get_extents_without_var_scaled (font, *this, extents);
   }
 
   const glyf_impl::Glyph