Async support for HttpAuthHandler::GenerateAuthToken.

This CL changes the signature of GenerateAuthToken to support an async
completion of GenerateAuthToken. At this point, all of the
implementations complete synchronously, but a future version will
change Negotiate to complete asynchronously.

TEST=net_unittests
BUG=42222

Review URL: http://codereview.chromium.org/2671001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@49398 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 0 deletions

diff --git a/net/http/http_auth_handler.cc b/net/http/http_auth_handler.cc
index 661fc64..cf690bc 100644
--- a/net/http/http_auth_handler.cc
+++ b/net/http/http_auth_handler.cc
@@ -32,6 +32,19 @@ bool HttpAuthHandler::InitFromChallenge(
   return ok;
 }
 
+int HttpAuthHandler::GenerateAuthToken(const std::wstring* username,
+                                       const std::wstring* password,
+                                       const HttpRequestInfo* request,
+                                       CompletionCallback* callback,
+                                       std::string* auth_token) {
+  // TODO(cbentzel): Enforce non-NULL callback+auth_token.
+  DCHECK(request);
+  DCHECK((username == NULL) == (password == NULL));
+  DCHECK(username != NULL || AllowsDefaultCredentials());
+  return GenerateAuthTokenImpl(username, password, request, callback,
+                               auth_token);
+}
+
 int HttpAuthHandler::ResolveCanonicalName(net::HostResolver* host_resolver,
                                           CompletionCallback* callback) {
   NOTREACHED();