Don't persist HPKP if PrivacyMode is enabled.

net/socket_stream/socket_stream.h

Index: net/socket_stream/socket_stream.h
diff --git a/net/socket_stream/socket_stream.h b/net/socket_stream/socket_stream.h
index 90aeb8c54b9bdff0f7873539c465ac848f6764f7..76c132edfe15be21a89c1304d2273d94e7edeb22 100644
--- a/net/socket_stream/socket_stream.h
+++ b/net/socket_stream/socket_stream.h
@@ -124,6 +124,7 @@ class NET_EXPORT SocketStream
   void SetUserData(const void* key, UserData* data);
 
   const GURL& url() const { return url_; }
+  GURL url_for_cookies() const { return GetURLForCookies(url_); }
   bool is_secure() const;
   const AddressList& address_list() const { return addresses_; }
   Delegate* delegate() const { return delegate_; }
@@ -180,6 +181,12 @@ class NET_EXPORT SocketStream
   // actions on alert dialog or browser cached such kinds of user actions.
   void ContinueDespiteError();
 
+  // Returns the URL to be used for cookie policy checking. Note that
+  // this may be different than |url|; for example, the cookie policy
+  // for a ws:// URL is based upon the http:// scheme for that
+  // host:port pair.
+  static GURL GetURLForCookies(const GURL& url);
+
  protected:
   friend class base::RefCountedThreadSafe<SocketStream>;
   virtual ~SocketStream();