Move Range code to gfx.

ui/gfx/render_text_mac.cc

Index: ui/gfx/render_text_mac.cc
diff --git a/ui/gfx/render_text_mac.cc b/ui/gfx/render_text_mac.cc
index c56c62638f7e37153ec380f07a511865da9c2a8e..61a85cd609b1e2d7cda4b407efb14cf7fc51cb7a 100644
--- a/ui/gfx/render_text_mac.cc
+++ b/ui/gfx/render_text_mac.cc
@@ -47,7 +47,7 @@ std::vector<RenderText::FontSpan> RenderTextMac::GetFontSpansForTesting() {
   for (size_t i = 0; i < runs_.size(); ++i) {
     gfx::Font font(runs_[i].font_name, runs_[i].text_size);
     const CFRange cf_range = CTRunGetStringRange(runs_[i].ct_run);
-    const ui::Range range(cf_range.location,
+    const gfx::Range range(cf_range.location,
                           cf_range.location + cf_range.length);
     spans.push_back(RenderText::FontSpan(font, range));
   }
@@ -69,12 +69,12 @@ SelectionModel RenderTextMac::AdjacentWordSelectionModel(
   return SelectionModel();
 }
 
-ui::Range RenderTextMac::GetGlyphBounds(size_t index) {
+gfx::Range RenderTextMac::GetGlyphBounds(size_t index) {
   // TODO(asvitkine): Implement this. http://crbug.com/131618
-  return ui::Range();
+  return gfx::Range();
 }
 
-std::vector<Rect> RenderTextMac::GetSubstringBounds(const ui::Range& range) {
+std::vector<Rect> RenderTextMac::GetSubstringBounds(const gfx::Range& range) {
   // TODO(asvitkine): Implement this. http://crbug.com/131618
   return std::vector<Rect>();
 }