Data Reduction Proxy: Remove duplicate functions

chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.cc

 // Copyright 2013 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/net/spdyproxy/data_reduction_proxy_settings_android.h"
 
 #include <stdint.h>
 
 #include <map>
 #include <string>
@@ skipping 48 matching lines @@
     : weak_factory_(this) {
   j_settings_obj_ = JavaObjectWeakGlobalRef(env, obj);
 }
 
 DataReductionProxySettingsAndroid::~DataReductionProxySettingsAndroid() {
 }
 
 jboolean DataReductionProxySettingsAndroid::IsDataReductionProxyPromoAllowed(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
-  return Settings()->PromoAllowed();
+  return data_reduction_proxy::params::IsIncludedInPromoFieldTrial();
 }
 
 jboolean DataReductionProxySettingsAndroid::IsDataReductionProxyEnabled(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
   return Settings()->IsDataReductionProxyEnabled();
 }
 
 jboolean DataReductionProxySettingsAndroid::IsDataReductionProxyManaged(
     JNIEnv* env,
@@ skipping 181 matching lines @@
       env, j_settings_obj_.get(env), j_query_result_obj_.obj());
 
   j_query_result_obj_.Release();
 }
 
 // Used by generated jni code.
 static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   return reinterpret_cast<intptr_t>(
       new DataReductionProxySettingsAndroid(env, obj));
 }