Reversed weak relationship between IosHttpURLConnection and its deleg…

…ate.

	Change on 2017/01/20 by tball <tball@google.com>

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=145113068

jre_emul/Classes/com/google/j2objc/net/IosHttpURLConnection.java

@@ -17,7 +17,6 @@
 
 package com.google.j2objc.net;
 
-import com.google.j2objc.annotations.Weak;
 import com.google.j2objc.io.AsyncPipedNSInputStreamAdapter;
 import java.io.FileNotFoundException;
 import java.io.IOException;
@@ -102,7 +101,6 @@ public class IosHttpURLConnection extends HttpURLConnection {
   private final Object getResponseLock = new Object();
 
   // Delegate to handle native security data, to avoid a direct dependency on jre_security.
-  @Weak
   private final SecurityDataHandler securityDataHandler;
 
   private static final int NATIVE_PIPED_STREAM_BUFFER_SIZE = 8192;

jre_emul/Classes/com/google/j2objc/net/IosHttpsURLConnection.java

@@ -17,6 +17,7 @@
 
 package com.google.j2objc.net;
 
+import com.google.j2objc.annotations.RetainedWith;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -30,7 +31,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.logging.Logger;
-
 import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.SSLPeerUnverifiedException;
 
@@ -40,6 +40,10 @@
  * whenever possible.
  */
 public class IosHttpsURLConnection extends HttpsURLConnection implements SecurityDataHandler {
+
+  // TODO(tball): extract delegate code into separate private class, which both
+  // IosHttpURLConnection and this class use as a delegate.
+  @RetainedWith
   private final IosHttpURLConnection delegate;
   private final List<Certificate> serverCertificates = new ArrayList<>();