Use persistent map of privet tokens for PrivetURLFetcher

chrome/browser/local_discovery/privet_url_fetcher.h

 // Copyright 2013 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 CHROME_BROWSER_LOCAL_DISCOVERY_PRIVET_URL_FETCHER_H_
 #define CHROME_BROWSER_LOCAL_DISCOVERY_PRIVET_URL_FETCHER_H_
 
 #include <string>
 
 #include "base/file_util.h"
@@ skipping 36 matching lines @@
     virtual void OnNeedPrivetToken(
         PrivetURLFetcher* fetcher,
         const TokenCallback& callback);
     virtual void OnError(PrivetURLFetcher* fetcher, ErrorType error) = 0;
     virtual void OnParsedJson(PrivetURLFetcher* fetcher,
                               const base::DictionaryValue* value,
                               bool has_error) = 0;
   };
 
   PrivetURLFetcher(
-      const std::string& token,
       const GURL& url,
       net::URLFetcher::RequestType request_type,
       net::URLRequestContextGetter* request_context,
       Delegate* delegate);
+
   virtual ~PrivetURLFetcher();
 
+  static void SetTokenForHost(
+      const std::string& host,
+      const std::string& token);
+
+  static void ResetTokenMapForTests();
+
   void DoNotRetryOnTransientError();
 
   void AllowEmptyPrivetToken();
 
   void Start();
 
   void SetUploadData(const std::string& upload_content_type,
                      const std::string& upload_data);
 
   void SetUploadFilePath(const std::string& upload_content_type,
                          const base::FilePath& upload_file_path);
 
   virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
 
   const GURL& url() const { return url_fetcher_->GetOriginalURL(); }
   int response_code() const { return url_fetcher_->GetResponseCode(); }
 
  private:
+  std::string GetHostString(); // Get string representing the host.
+  std::string GetPrivetAccessToken();
   void Try();
   void ScheduleRetry(int timeout_seconds);
   bool PrivetErrorTransient(const std::string& error);
   void RequestTokenRefresh();
   void RefreshToken(const std::string& token);
 
-  std::string privet_access_token_;
   GURL url_;
   net::URLFetcher::RequestType request_type_;
   scoped_refptr<net::URLRequestContextGetter> request_context_;
   Delegate* delegate_;
 
   bool do_not_retry_on_transient_error_;
   bool allow_empty_privet_token_;
 
   int tries_;
   std::string upload_data_;
   std::string upload_content_type_;
   base::FilePath upload_file_path_;
   scoped_ptr<net::URLFetcher> url_fetcher_;
 
   base::WeakPtrFactory<PrivetURLFetcher> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(PrivetURLFetcher);
 };
 
-class PrivetURLFetcherFactory {
- public:
-  explicit PrivetURLFetcherFactory(
-      net::URLRequestContextGetter* request_context);
-  ~PrivetURLFetcherFactory();
-
-  scoped_ptr<PrivetURLFetcher> CreateURLFetcher(
-      const GURL& url,
-      net::URLFetcher::RequestType request_type,
-      PrivetURLFetcher::Delegate* delegate) const;
-
-  void set_token(const std::string& token) { token_ = token; }
-  const std::string& get_token() const { return token_; }
-
- private:
-  scoped_refptr<net::URLRequestContextGetter> request_context_;
-  std::string token_;
-
-  DISALLOW_COPY_AND_ASSIGN(PrivetURLFetcherFactory);
-};
-
 }  // namespace local_discovery
 
 #endif  // CHROME_BROWSER_LOCAL_DISCOVERY_PRIVET_URL_FETCHER_H_