Add Data Saver support to Cronet

components/cronet/android/java/src/org/chromium/net/UrlRequestContextConfig.java

 // 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.
 
 package org.chromium.net;
 
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
@@ skipping 84 matching lines @@
     }
 
     /**
      * Boolean, enable SPDY if true.
      */
     public UrlRequestContextConfig enableSPDY(boolean value) {
         return putBoolean(UrlRequestContextConfigList.ENABLE_SPDY, value);
     }
 
     /**
+     * Boolean, enable Data Saver if true.
+     */
+    public UrlRequestContextConfig enableDataSaver(boolean value,
+            String key) {
+        return (putBoolean(UrlRequestContextConfigList.ENABLE_DATA_SAVER, value)
+                .putString(UrlRequestContextConfigList.DATA_SAVER_KEY, key));
+    }
+
+    /**
      * Enumeration, disable or enable cache in memory or on disk.
      */
     public enum HttpCache {
         /**
          * Disable cache, some data may still be temporarily stored in memory.
          */
         DISABLED,
 
         /**
          * Enable in memory cache, including HTTP data.
@@ skipping 143 matching lines @@
         try {
             mConfig.put(key, value);
         } catch (JSONException e) {
             // Intentionally do nothing.
         }
         return this;
     }
 
     private JSONObject mConfig = new JSONObject();
 }