AddPrefToObserve  100 chrome/browser/extensions/api/font_settings/font_settings_api.cc   AddPrefToObserve(prefs::kWebKitDefaultFixedFontSize,
AddPrefToObserve  103 chrome/browser/extensions/api/font_settings/font_settings_api.cc   AddPrefToObserve(prefs::kWebKitDefaultFontSize,
AddPrefToObserve  106 chrome/browser/extensions/api/font_settings/font_settings_api.cc   AddPrefToObserve(prefs::kWebKitMinimumFontSize,
AddPrefToObserve   42 chrome/browser/extensions/api/font_settings/font_settings_api.h   void AddPrefToObserve(const char* pref_name,