Reduce header dependencies in base/

chrome/browser/safe_browsing/protocol_manager.h

 // Copyright (c) 2006-2008 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_SAFE_BROWSING_PROTOCOL_MANAGER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_H_
 
 // A class that implements Chrome's interface with the SafeBrowsing protocol.
 // The SafeBrowsingProtocolManager handles formatting and making requests of,
 // and handling responses from, Google's SafeBrowsing servers. This class uses
 // The SafeBrowsingProtocolParser class to do the actual parsing.
 
 #include <deque>
 #include <set>
 
 #include "base/hash_tables.h"
 #include "base/scoped_ptr.h"
 #include "base/time.h"
+#include "base/timer.h"
 #include "chrome/browser/net/url_fetcher.h"
 #include "chrome/browser/safe_browsing/chunk_range.h"
 #include "chrome/browser/safe_browsing/protocol_parser.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/safe_browsing/safe_browsing_util.h"
 #include "testing/gtest/include/gtest/gtest_prod.h"
 
 class MessageLoop;
 class Task;
 class Timer;
@@ skipping 201 matching lines @@
   // Track the size of each update (in bytes).
   int update_size_;
 
   // Track outstanding malware report fetchers for clean up.
   std::set<const URLFetcher*> malware_reports_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingProtocolManager);
 };
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_H_