Added flag to enable the data reduction proxy alternative

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.cc

 // Copyright 2014 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_chrome_settings_factory.h"
 
 #include "base/bind.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_params.h"
@@ skipping 37 matching lines @@
 
 DataReductionProxyChromeSettingsFactory::
     ~DataReductionProxyChromeSettingsFactory() {
 }
 
 KeyedService* DataReductionProxyChromeSettingsFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   int flags = 0;
   if (DataReductionProxyParams::IsIncludedInFieldTrial()) {
     flags |= (DataReductionProxyParams::kAllowed |
-              DataReductionProxyParams::kFallbackAllowed);
+              DataReductionProxyParams::kFallbackAllowed |
+              DataReductionProxyParams::kAlternativeAllowed);
   }
-  if (DataReductionProxyParams::IsIncludedInAlternativeFieldTrial())
-    flags |= DataReductionProxyParams::kAlternativeAllowed;
   if (DataReductionProxyParams::IsIncludedInPromoFieldTrial())
     flags |= DataReductionProxyParams::kPromoAllowed;
   if (DataReductionProxyParams::IsIncludedInHoldbackFieldTrial())
     flags |= DataReductionProxyParams::kHoldback;
 
   return new DataReductionProxyChromeSettings(
       new DataReductionProxyParams(flags));
 }