[net/http auth] Split HttpAuthHandler creation from initialization.

net/http/http_auth_handler_digest.h

 // 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.
 
 #ifndef NET_HTTP_HTTP_AUTH_HANDLER_DIGEST_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_DIGEST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 47 matching lines @@
   };
 
   class NET_EXPORT_PRIVATE Factory : public HttpAuthHandlerFactory {
    public:
     Factory();
     ~Factory() override;
 
     // This factory owns the passed in |nonce_generator|.
     void set_nonce_generator(const NonceGenerator* nonce_generator);
 
-    int CreateAuthHandler(const HttpAuthChallengeTokenizer& challenge,
-                          HttpAuth::Target target,
-                          const GURL& origin,
-                          CreateReason reason,
-                          int digest_nonce_count,
-                          const BoundNetLog& net_log,
-                          scoped_ptr<HttpAuthHandler>* handler) override;
+    // HttpAuthHandlerFactory
+    scoped_ptr<HttpAuthHandler> CreateAuthHandlerForScheme(
+        const std::string& scheme) override;
+    scoped_ptr<HttpAuthHandler> CreateAndInitPreemptiveAuthHandler(
+        HttpAuthCache::Entry* cache_entry,
+        const HttpAuthChallengeTokenizer& tokenizer,
+        HttpAuth::Target target,
+        const BoundNetLog& net_log) override;
 
    private:
     scoped_ptr<const NonceGenerator> nonce_generator_;
   };
 
   HttpAuth::AuthorizationResult HandleAnotherChallenge(
       const HttpAuthChallengeTokenizer& challenge) override;
+  ~HttpAuthHandlerDigest() override;
 
  protected:
   int Init(const HttpAuthChallengeTokenizer& challenge) override;
 
   int GenerateAuthTokenImpl(const AuthCredentials* credentials,
                             const HttpRequestInfo& request,
                             const CompletionCallback& callback,
                             std::string* auth_token) override;
 
  private:
@@ skipping 21 matching lines @@
     QOP_UNSPECIFIED,
     QOP_AUTH,
   };
 
   // |nonce_count| indicates how many times the server-specified nonce has
   // been used so far.
   // |nonce_generator| is used to create a client nonce, and is not owned by
   // the handler. The lifetime of the |nonce_generator| must exceed that of this
   // handler.
   HttpAuthHandlerDigest(int nonce_count, const NonceGenerator* nonce_generator);
-  ~HttpAuthHandlerDigest() override;
 
   // Parse the challenge, saving the results into this instance.
   // Returns true on success.
   bool ParseChallenge(const HttpAuthChallengeTokenizer& challenge);
 
   // Parse an individual property. Returns true on success.
   bool ParseChallengeProperty(const std::string& name,
                               const std::string& value);
 
   // Generates a random string, to be used for client-nonce.
@@ skipping 36 matching lines @@
   // UTF-8.
   std::string original_realm_;
 
   int nonce_count_;
   const NonceGenerator* nonce_generator_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_AUTH_HANDLER_DIGEST_H_