[net/http auth] Make HttpAuthHandler challenge handling asynchronous.

net/http/http_auth_cache_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 18 matching lines @@
     realm_ = realm;
     target_ = target;
   }
 
   HttpAuth::AuthorizationResult HandleAnotherChallenge(
       const HttpAuthChallengeTokenizer& challenge) override {
     return HttpAuth::AUTHORIZATION_RESULT_REJECT;
   }
 
  protected:
-  int Init(const HttpAuthChallengeTokenizer& challenge) override {
-    return ERR_UNEXPECTED;  // Unused.
+  int InitializeFromChallengeInternal(
+      const HttpAuthChallengeTokenizer& challenge,
+      const HttpResponseInfo& response_with_challenge,
+      const CompletionCallback& callback) override {
+    return ERR_UNEXPECTED;
+  }
+
+  int InitializeFromCacheEntryInternal(
+      HttpAuthCache::Entry* cache_entry) override {
+    return ERR_UNEXPECTED;
   }
 
   int GenerateAuthTokenImpl(const AuthCredentials*,
                             const HttpRequestInfo&,
                             const CompletionCallback& callback,
                             std::string* auth_token) override {
     *auth_token = "mock-credentials";
     return OK;
   }
 
@@ skipping 524 matching lines @@
     CheckPathExistence(0, i, false);
 
   for (int i = 0; i < kMaxPaths; ++i)
     CheckPathExistence(0, i + 3, true);
 
   for (int i = 0; i < kMaxRealms; ++i)
     CheckRealmExistence(i, true);
 }
 
 }  // namespace net