Add data reduction functionality to all platforms.

chrome/browser/profiles/profile.cc

Index: chrome/browser/profiles/profile.cc
diff --git a/chrome/browser/profiles/profile.cc b/chrome/browser/profiles/profile.cc
index 6d1b636e9f3ff2b77ee615f862781c3fd76ce738..6c3597c96daf172d4811c1b1712639e3059b6c4c 100644
--- a/chrome/browser/profiles/profile.cc
+++ b/chrome/browser/profiles/profile.cc
@@ -185,9 +185,9 @@ void Profile::RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
       false,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 #endif
-#if defined(OS_ANDROID) || defined(OS_IOS)
+
   data_reduction_proxy::RegisterSyncableProfilePrefs(registry);
-#endif  // defined(OS_ANDROID) || defined(OS_IOS)
+
 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS) && !defined(OS_IOS)
   // Preferences related to the avatar bubble and user manager tutorials.
   registry->RegisterIntegerPref(