SPDY: Add basic support for Alternate-Protocol header.

Review URL: http://codereview.chromium.org/668197

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@41032 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 9 insertions, 0 deletions

diff --git a/net/http/http_network_transaction.h b/net/http/http_network_transaction.h
index e4eef52..80957bf 100644
--- a/net/http/http_network_transaction.h
+++ b/net/http/http_network_transaction.h
@@ -103,6 +103,12 @@ class HttpNetworkTransaction : public HttpTransaction {
     kSOCKSProxy,  // If using a SOCKS proxy
   };
 
+  enum AlternateProtocolMode {
+    kUnspecified,  // Unspecified, check HttpAlternateProtocols
+    kUsingAlternateProtocol,  // Using an alternate protocol
+    kDoNotUseAlternateProtocol,  // Failed to connect once, do not try again.
+  };
+
   void DoCallback(int result);
   void OnIOComplete(int result);
 
@@ -321,6 +327,9 @@ class HttpNetworkTransaction : public HttpTransaction {
   // True if this network transaction is using SPDY instead of HTTP.
   bool using_spdy_;
 
+  // True if this network transaction is using an alternate protocol to connect.
+  AlternateProtocolMode alternate_protocol_mode_;
+
   // True if we've used the username/password embedded in the URL.  This
   // makes sure we use the embedded identity only once for the transaction,
   // preventing an infinite auth restart loop.