WIP: Some cronet modifications for the AndroidGSA

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

Index: components/cronet/android/java/src/org/chromium/net/HttpUrlConnectionUrlRequest.java
diff --git a/components/cronet/android/java/src/org/chromium/net/HttpUrlConnectionUrlRequest.java b/components/cronet/android/java/src/org/chromium/net/HttpUrlConnectionUrlRequest.java
index f6db95ed49dc86caca4317408a03878700c88a5c..7c082f401160a87e3efd1ece3d717b2379ba6f24 100644
--- a/components/cronet/android/java/src/org/chromium/net/HttpUrlConnectionUrlRequest.java
+++ b/components/cronet/android/java/src/org/chromium/net/HttpUrlConnectionUrlRequest.java
@@ -18,6 +18,7 @@ import java.net.URL;
 import java.nio.ByteBuffer;
 import java.nio.channels.ReadableByteChannel;
 import java.nio.channels.WritableByteChannel;
+import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.concurrent.ExecutorService;
@@ -453,6 +454,14 @@ class HttpUrlConnectionUrlRequest implements HttpUrlRequest {
         return mConnection.getHeaderField(name);
     }
 
+    @Override
+    public Map<String, List<String>> getAllHeaders() {
+        if (mConnection == null) {
+            throw new IllegalStateException("Response headers not available");
+        }
+        return mConnection.getHeaderFields();
+    }
+
     private void validateNotStarted() {
         if (mStarted) {
             throw new IllegalStateException("Request already started");