Initial implementation of Cronet Async API.

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

Index: components/cronet/android/java/src/org/chromium/net/ResponseInfo.java
diff --git a/components/cronet/android/java/src/org/chromium/net/ResponseInfo.java b/components/cronet/android/java/src/org/chromium/net/ResponseInfo.java
index e6679d97ec2f80d0db38f0931e7324041cf9147e..e464daa9c571750ef17a02bae0322a8f33390042 100644
--- a/components/cronet/android/java/src/org/chromium/net/ResponseInfo.java
+++ b/components/cronet/android/java/src/org/chromium/net/ResponseInfo.java
@@ -4,7 +4,6 @@
 
 package org.chromium.net;
 
-import java.net.URL;
 import java.util.List;
 import java.util.Map;
 
@@ -12,19 +11,19 @@ import java.util.Map;
  * Contains basic information about a response. Sent to the embedder whenever
  * headers are received.
  */
-public abstract interface ResponseInfo {
+public interface ResponseInfo {
     /**
      * Return the url the response is for (Not the original URL - after
      * redirects, it's the new URL).
      */
-    URL getUrl();
+    String getUrl();
 
     /**
      *
      * @return the url chain, including all redirects.  The originally
      * requested URL is first.
      */
-    URL[] getUrlChain();
+    String[] getUrlChain();
 
     /**
      * Returns the HTTP status code.
@@ -45,14 +44,9 @@ public abstract interface ResponseInfo {
     boolean wasCached();
 
     /**
-     *
-     * @return
-     */
-    boolean wasFetchedOverSPDY();
-
-    /**
-     *
-     * @return
+     * Returns protocol (e.g. "quic/1+spdy/3") negotiated with server. Returns
+     * empty string if no protocol was negotiated, or the protocol is not known.
+     * Returns empty when using plain http or https.

[mmenke, 2014/10/06 18:28:45]

Add a TODO about figuring out what this returns in the cached case, both with
and without a revalidation request.

[mef, 2014/10/07 00:45:18]

Done.

      */
-    boolean wasFetchedOverQUIC();
+    String getNegotiatedProtocol();
 };