Updates subpixel positioning and hinting when DSF is changed

ui/gfx/font_render_params_mac.cc

Index: ui/gfx/font_render_params_mac.cc
diff --git a/ui/gfx/font_render_params_mac.cc b/ui/gfx/font_render_params_mac.cc
index 83fd341e507ae290ccb55c29b1dbc476ca08723b..60024d00b2cef1913141660befb8c3b80ebdc27f 100644
--- a/ui/gfx/font_render_params_mac.cc
+++ b/ui/gfx/font_render_params_mac.cc
@@ -26,8 +26,8 @@ FontRenderParams LoadDefaults() {
 
 }  // namespace
 
-FontRenderParams GetFontRenderParams(const FontRenderParamsQuery& query,
-                                     std::string* family_out) {
+FontRenderParams GetSystemFontRenderParams(const FontRenderParamsQuery& query,
+                                           std::string* family_out) {
   if (family_out)
     NOTIMPLEMENTED();
   // TODO: Query the OS for font render settings instead of returning defaults.