Make GlyphSegmentation file encapsulation match object encapsulation

Author: skef

ift/encoder/closure_glyph_segmenter.cc

@@ -707,12 +707,4 @@ StatusOr<GlyphSegmentation> ClosureGlyphSegmenter::CodepointToGlyphSegments(
   return absl::InternalError("unreachable");
 }
 
-void GlyphSegmentation::CopySegments(
-    const std::vector<hb_set_unique_ptr>& segments) {
-  segments_.clear();
-  for (const auto& set : segments) {
-    segments_.push_back(to_btree_set(set.get()));
-  }
-}
-
-}  // namespace ift::encoder
+}  // namespace ift::encoder

ift/encoder/glyph_segmentation.cc

@@ -436,4 +436,12 @@ EncoderConfig GlyphSegmentation::ToConfigProto() const {
   return config;
 }
 
+void GlyphSegmentation::CopySegments(
+    const std::vector<common::hb_set_unique_ptr>& segments) {
+  segments_.clear();
+  for (const auto& set : segments) {
+    segments_.push_back(common::to_btree_set(set.get()));
+  }
+}
+
 }  // namespace ift::encoder