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

storage/browser/quota/quota_temporary_storage_evictor.cc

 // 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.
 
 #include "storage/browser/quota/quota_temporary_storage_evictor.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 
@@ skipping 158 matching lines @@
                    weak_factory_.GetWeakPtr()));
   } else {
     quota_eviction_handler_->GetUsageAndQuotaForEviction(
         base::Bind(&QuotaTemporaryStorageEvictor::OnGotUsageAndQuotaForEviction,
                    weak_factory_.GetWeakPtr(),
                    min_available_to_start_eviction_));
   }
 }
 
 void QuotaTemporaryStorageEvictor::OnGotVolumeInfo(
-    bool success, uint64_t available_space, uint64_t total_size) {
+    bool success, int64_t available_space, int64_t total_size) {
   // Compute how much to keep free as a function of total disk size.
   int64_t must_remain_available_space = success ?
       static_cast<int64_t>(total_size * kMustRemainAvailableRatio) :
       kDefaultMustRemainAvailableSpace;
 
   quota_eviction_handler_->GetUsageAndQuotaForEviction(
       base::Bind(&QuotaTemporaryStorageEvictor::OnGotUsageAndQuotaForEviction,
                  weak_factory_.GetWeakPtr(), must_remain_available_space));
 }
 
@@ skipping 96 matching lines @@
     ++statistics_.num_errors_on_evicting_origin;
     if (repeated_eviction_) {
       // Sleep for a while and retry again until we see too many errors.
       StartEvictionTimerWithDelay(interval_ms_);
     }
     OnEvictionRoundFinished();
   }
 }
 
 }  // namespace storage