Add Data Saver support to Cronet

components/cronet/android/java/src/org/chromium/net/CronetUrlRequest.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 android.util.Log;
 import android.util.Pair;
 
 import org.chromium.base.CalledByNative;
@@ skipping 102 matching lines @@
         }
     }
 
     static final class NativeResponseInfo implements ResponseInfo {
         private final String[] mResponseInfoUrlChain;
         private final int mHttpStatusCode;
         private final String mHttpStatusText;
         private final HeadersList mAllHeaders = new HeadersList();
         private final boolean mWasCached;
         private final String mNegotiatedProtocol;
+        private final String mProxyServer;
         private Map<String, List<String>> mResponseHeaders;
         private List<Pair<String, String>> mUnmodifiableAllHeaders;
 
         NativeResponseInfo(String[] urlChain, int httpStatusCode,
                 String httpStatusText, boolean wasCached,
-                String negotiatedProtocol) {
+                String negotiatedProtocol, String proxyServer) {
             mResponseInfoUrlChain = urlChain;
             mHttpStatusCode = httpStatusCode;
             mHttpStatusText = httpStatusText;
             mWasCached = wasCached;
             mNegotiatedProtocol = negotiatedProtocol;
+            mProxyServer = proxyServer;
         }
 
         @Override
         public String getUrl() {
             return mResponseInfoUrlChain[mResponseInfoUrlChain.length - 1];
         }
 
         @Override
         public String[] getUrlChain() {
             return mResponseInfoUrlChain;
@@ skipping 39 matching lines @@
 
         @Override
         public boolean wasCached() {
             return mWasCached;
         }
 
         @Override
         public String getNegotiatedProtocol() {
             return mNegotiatedProtocol;
         }
+
+        @Override
+        public String getProxyServer() {
+            return mProxyServer;
+        }
     };
 
     static final class NativeExtendedResponseInfo implements
             ExtendedResponseInfo {
         private final ResponseInfo mResponseInfo;
         private final long mTotalReceivedBytes;
 
         NativeExtendedResponseInfo(ResponseInfo responseInfo,
                                    long totalReceivedBytes) {
             mResponseInfo = responseInfo;
@@ skipping 194 matching lines @@
             // mUrlRequestAdapter is set to 0 from another thread the actual
             // deletion of the adapter is posted to network thread, so it is
             // safe to preserve and use urlRequestAdapter outside the lock.
             urlRequestAdapter = mUrlRequestAdapter;
         }
         NativeResponseInfo responseInfo = new NativeResponseInfo(
                 mUrlChain.toArray(new String[mUrlChain.size()]),
                 httpStatusCode,
                 nativeGetHttpStatusText(urlRequestAdapter),
                 nativeGetWasCached(urlRequestAdapter),
-                nativeGetNegotiatedProtocol(urlRequestAdapter));
+                nativeGetNegotiatedProtocol(urlRequestAdapter),
+                nativeGetProxyServer(urlRequestAdapter));
         nativePopulateResponseHeaders(urlRequestAdapter,
                                       responseInfo.mAllHeaders);
         return responseInfo;
     }
 
     private void checkNotStarted() {
         synchronized (mUrlRequestAdapterLock) {
             if (mStarted || isCanceled()) {
                 throw new IllegalStateException("Request is already started.");
             }
@@ skipping 251 matching lines @@
 
     private native void nativeFollowDeferredRedirect(long urlRequestAdapter);
 
     private native void nativeReceiveData(long urlRequestAdapter);
 
     private native void nativePopulateResponseHeaders(long urlRequestAdapter,
             HeadersList headers);
 
     private native String nativeGetNegotiatedProtocol(long urlRequestAdapter);
 
+    private native String nativeGetProxyServer(long urlRequestAdapter);
+
     private native String nativeGetHttpStatusText(long urlRequestAdapter);
 
     private native boolean nativeGetWasCached(long urlRequestAdapter);
 
     private native long nativeGetTotalReceivedBytes(long urlRequestAdapter);
 
     private native void nativeDisableCache(long urlRequestAdapter);
 }