Add data reduction functionality to all platforms.

chrome/browser/profiles/profile.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/profiles/profile.h"
 
 #include <string>
 
 #include "base/prefs/pref_service.h"
 #include "build/build_config.h"
@@ skipping 167 matching lines @@
       std::string(),
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 #endif
 
 #if defined(OS_ANDROID)
   registry->RegisterBooleanPref(
       prefs::kDevToolsRemoteEnabled,
       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(
       prefs::kProfileAvatarTutorialShown,
       0,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 #endif
 }
 
 std::string Profile::GetDebugName() {
@@ skipping 42 matching lines @@
         content::NotificationService::NoDetails());
   }
 }
 
 bool ProfileCompare::operator()(Profile* a, Profile* b) const {
   DCHECK(a && b);
   if (a->IsSameProfile(b))
     return false;
   return a->GetOriginalProfile() < b->GetOriginalProfile();
 }