Release the cache entry on deferred redirect.

net/http/http_transaction.h

Index: net/http/http_transaction.h
diff --git a/net/http/http_transaction.h b/net/http/http_transaction.h
index ec3fc088a03ef26cd2f1ad2caf430b1f8409303b..a3be6c92cbdbe2a334195a6c518d2238a0e3f9c6 100644
--- a/net/http/http_transaction.h
+++ b/net/http/http_transaction.h
@@ -109,6 +109,11 @@ class NET_EXPORT_PRIVATE HttpTransaction {
   // of the stream. This is equivalent to performing an extra Read() at the end
   // that should return 0 bytes. This method should not be called if the
   // transaction is busy processing a previous operation (like a pending Read).
+  // This is used to inform the cache that the response was not canceled

[rvargas (doing something else), 2013/09/17 19:53:25]

nit: remove this sentence... or replace "cache" with transaction and "response"
with something else :(. (the response is not canceled, it is the transaction).

[davidben, 2013/09/17 22:16:04]

Done.

+  // prematurely.
+  //
+  // DoneReading may also be called before the first Read() to notify that the
+  // entire response body is to be ignored (e.g., in a redirect).
   virtual void DoneReading() = 0;
 
   // Returns the response info for this transaction or NULL if the response