Add a ClearAlternateProtocol method to HttpServerProperties

chrome/browser/net/http_server_properties_manager.h

Index: chrome/browser/net/http_server_properties_manager.h
diff --git a/chrome/browser/net/http_server_properties_manager.h b/chrome/browser/net/http_server_properties_manager.h
index 83b49f61656d4c3f7076c29dd8022eb8e1ee67e5..8ac9377e11dc12106301699151ed6c126dde2649 100644
--- a/chrome/browser/net/http_server_properties_manager.h
+++ b/chrome/browser/net/http_server_properties_manager.h
@@ -115,6 +115,9 @@ class HttpServerPropertiesManager
   virtual void SetBrokenAlternateProtocol(
       const net::HostPortPair& server) OVERRIDE;
 
+  // Clears the Alternate-Protocol for |server|.
+  virtual void ClearAlternateProtocol(const net::HostPortPair& server) OVERRIDE;
+
   // Returns all Alternate-Protocol mappings.
   virtual const net::AlternateProtocolMap&
       alternate_protocol_map() const OVERRIDE;