Remove unused data reduction proxy prefs from direct settings API.

chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc

Index: chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc
diff --git a/chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc b/chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc
index d6a3191c3e5ae7f34f4a828479a652a0322c6078..1c0c5803d5977faf9716ffc772aeb767282e42cd 100644
--- a/chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc
+++ b/chrome/browser/extensions/api/preference/chrome_direct_setting_api.cc
@@ -31,9 +31,6 @@ class PreferenceWhitelist {
     whitelist_.insert("googlegeolocationaccess.enabled");
     // The following settings need to be checked and probably removed. See
     // http://crbug.com/164227#c157 .
-    whitelist_.insert("spdy_proxy.enabled");
-    whitelist_.insert("data_reduction.daily_original_length");
-    whitelist_.insert("data_reduction.daily_received_length");
     whitelist_.insert("data_reduction.update_daily_lengths");
     whitelist_.insert("easy_unlock.proximity_required");
   }