Move implementation of QuotaManager.getVolumeInfo to base::SysInfo.

storage/browser/quota/quota_temporary_storage_evictor.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 STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_
 #define STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 74 matching lines @@
   void set_min_available_disk_space_to_start_eviction(int64_t value) {
     min_available_to_start_eviction_ = value;
   }
 
  private:
   friend class content::QuotaTemporaryStorageEvictorTest;
 
   void StartEvictionTimerWithDelay(int delay_ms);
   void ConsiderEviction();
   void OnGotVolumeInfo(bool success,
-                       uint64_t available_space,
-                       uint64_t total_size);
+                       int64_t available_space,
+                       int64_t total_size);
   void OnGotUsageAndQuotaForEviction(
       int64_t must_remain_available_space,
       QuotaStatusCode status,
       const UsageAndQuota& quota_and_usage);
   void OnGotEvictionOrigin(const GURL& origin);
   void OnEvictionComplete(QuotaStatusCode status);
 
   void OnEvictionRoundStarted();
   void OnEvictionRoundFinished();
 
@@ skipping 22 matching lines @@
   base::OneShotTimer eviction_timer_;
   base::RepeatingTimer histogram_timer_;
   base::WeakPtrFactory<QuotaTemporaryStorageEvictor> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaTemporaryStorageEvictor);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_