A new copy of the old system monitor changelist.

chrome/browser/safe_browsing/safe_browsing_service.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.
 //
 // The Safe Browsing service is responsible for downloading anti-phishing and
 // anti-malware tables and checking urls against them.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_SERVICE_H_
 #define CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_SERVICE_H_
 
 #include <deque>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/hash_tables.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
+#include "base/system_monitor.h"
 #include "base/thread.h"
 #include "base/time.h"
 #include "chrome/browser/safe_browsing/safe_browsing_util.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/glue/resource_type.h"
 
 class BloomFilter;
 class MessageLoop;
 class PrefService;
 class SafeBrowsingBlockingPage;
 class SafeBrowsingDatabase;
 class SafeBrowsingProtocolManager;
 
 // Construction needs to happen on the main thread.
 class SafeBrowsingService
-    : public base::RefCountedThreadSafe<SafeBrowsingService> {
+    : public base::RefCountedThreadSafe<SafeBrowsingService>,
+      public base::SystemMonitor::PowerObserver {
  public:
   // Users of this service implement this interface to be notified
   // asynchronously of the result.
   enum UrlCheckResult {
     URL_SAFE,
     URL_PHISHING,
     URL_MALWARE,
   };
 
   class Client {
@@ skipping 117 matching lines @@
 
   // The SafeBrowsing system has instructed us to reset our database.
   void ResetDatabase();
 
   // Log the user perceived delay caused by SafeBrowsing. This delay is the time
   // delta starting from when we would have started reading data from the
   // network, and ending when the SafeBrowsing check completes indicating that
   // the current page is 'safe'.
   void LogPauseDelay(base::TimeDelta time);
 
+  // PowerObserver notifications
   // We defer SafeBrowsing work for a short duration when the computer comes
   // out of a suspend state to avoid thrashing the disk.
-  void OnSuspend();
-  void OnResume();
+  void OnPowerStateChange(base::SystemMonitor*) {};
+  void OnSuspend(base::SystemMonitor*);
+  void OnResume(base::SystemMonitor*);
 
   bool new_safe_browsing() const { return new_safe_browsing_; }
 
  private:
   // Should only be called on db thread as SafeBrowsingDatabase is not
   // threadsafe.
   SafeBrowsingDatabase* GetDatabase();
 
   // Release the final reference to the database on the db thread.
   void ReleaseDatabase(SafeBrowsingDatabase* database);
@@ skipping 109 matching lines @@
     Client* client;
     GURL url;
     base::Time start;
   } QueuedCheck;
   std::deque<QueuedCheck> queued_checks_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingService);
 };
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_SERVICE_H_