Android: disables observing changes for font prefs.

chrome/browser/ui/prefs/prefs_tab_helper.cc

Index: chrome/browser/ui/prefs/prefs_tab_helper.cc
diff --git a/chrome/browser/ui/prefs/prefs_tab_helper.cc b/chrome/browser/ui/prefs/prefs_tab_helper.cc
index 43f262ccd208621b23f02cfdf8db475c3d2770d5..62396a3d93be1a95c3b1f7acdfa6b34814a9e139 100644
--- a/chrome/browser/ui/prefs/prefs_tab_helper.cc
+++ b/chrome/browser/ui/prefs/prefs_tab_helper.cc
@@ -137,7 +137,6 @@ ALL_FONT_SCRIPTS(WEBKIT_WEBPREFS_FONTS_STANDARD)
     }
   }
 }
-#endif  // !defined(OS_ANDROID)
 
 // Registers |obs| to observe per-script font prefs under the path |map_name|.
 // On android, there's no exposed way to change these prefs, so we can save
@@ -155,6 +154,7 @@ void RegisterFontFamilyMapObserver(
     registrar->Add(base::StringPrintf("%s.%s", map_name, script), obs);
   }
 }
+#endif  // !defined(OS_ANDROID)
 
 #if defined(OS_WIN)
 // On Windows with antialising we want to use an alternate fixed font like
@@ -373,6 +373,7 @@ class PrefWatcher : public KeyedService {
       pref_change_registrar_.Add(pref_name, webkit_callback);
     }
 
+#if !defined(OS_ANDROID)
     RegisterFontFamilyMapObserver(&pref_change_registrar_,
                                   prefs::kWebKitStandardFontFamilyMap,
                                   webkit_callback);
@@ -394,6 +395,7 @@ class PrefWatcher : public KeyedService {
     RegisterFontFamilyMapObserver(&pref_change_registrar_,
                                   prefs::kWebKitPictographFontFamilyMap,
                                   webkit_callback);
+#endif  // !defined(OS_ANDROID)
   }
 
   static PrefWatcher* Get(Profile* profile);