Prefs: Only use IDR_PREF_HASH_SEED_BIN in Chrome builds.

chrome/browser/prefs/chrome_pref_service_factory.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/prefs/chrome_pref_service_factory.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 334 matching lines @@
   std::string device_id;
 #if defined(OS_WIN) && defined(ENABLE_RLZ)
   // This is used by
   // chrome/browser/extensions/api/music_manager_private/device_id_win.cc
   // but that API is private (http://crbug.com/276485) and other platforms are
   // not available synchronously.
   // As part of improving pref metrics on other platforms we may want to find
   // ways to defer preference loading until the device ID can be used.
   rlz_lib::GetMachineId(&device_id);
 #endif
+  std::string seed;
+#if defined(GOOGLE_CHROME_BUILD)
+  seed = ResourceBundle::GetSharedInstance().GetRawDataResource(
+      IDR_PREF_HASH_SEED_BIN).as_string(),
+#endif
   return make_scoped_ptr(new ProfilePrefStoreManager(
       profile_path,
       GetTrackingConfiguration(),
       kTrackedPrefsReportingIDsCount,
-      ResourceBundle::GetSharedInstance()
-          .GetRawDataResource(IDR_PREF_HASH_SEED_BIN)
-          .as_string(),
+      seed,
       device_id,
       g_browser_process->local_state()));
 }
 
 void PrepareFactory(
     PrefServiceSyncableFactory* factory,
     policy::PolicyService* policy_service,
     SupervisedUserSettingsService* supervised_user_settings,
     scoped_refptr<PersistentPrefStore> user_pref_store,
     const scoped_refptr<PrefStore>& extension_prefs,
@@ skipping 139 matching lines @@
 
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   ProfilePrefStoreManager::RegisterProfilePrefs(registry);
 }
 
 void RegisterPrefs(PrefRegistrySimple* registry) {
   ProfilePrefStoreManager::RegisterPrefs(registry);
 }
 
 }  // namespace chrome_prefs