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 17f3723ca554170b330b3cc6e4f2d92a634d9f28..86326aa08254a89069e62c9a11413e3bb6e9d9d3 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(SPDY_PROXY_AUTH_ORIGIN)
+
   data_reduction_proxy::RegisterSyncableProfilePrefs(registry);
-#endif  // defined(SPDY_PROXY_AUTH_ORIGIN)
+
 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS) && !defined(OS_IOS)
   // Preferences related to the avatar bubble and user manager tutorials.
   registry->RegisterIntegerPref(