Remove static initializer from quota_temporary_storage_evictor.cc

webkit/quota/quota_temporary_storage_evictor.cc

 // Copyright (c) 2011 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 "webkit/quota/quota_temporary_storage_evictor.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/metrics/histogram.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/quota/quota_manager.h"
 
 #define UMA_HISTOGRAM_MBYTES(name, sample)          \
   UMA_HISTOGRAM_CUSTOM_COUNTS(                      \
       (name), static_cast<int>((sample) / kMBytes), \
       1, 10 * 1024 * 1024 /* 10TB */, 100)
 
 #define UMA_HISTOGRAM_MINUTES(name, sample) \
   UMA_HISTOGRAM_CUSTOM_TIMES(             \
       (name), (sample),                   \
       base::TimeDelta::FromMinutes(1),    \
       base::TimeDelta::FromDays(1), 50)
 
 namespace {
 const int64 kMBytes = 1024 * 1024;
 const double kUsageRatioToStartEviction = 0.7;
 const int kThresholdOfErrorsToStopEviction = 5;
-const base::TimeDelta kHistogramReportInterval =
-    base::TimeDelta::FromMilliseconds(60 * 60 * 1000);  // 1 hour
+const int kHistogramReportIntervalMinutes = 60;
 }
 
 namespace quota {
 
 const int QuotaTemporaryStorageEvictor::
     kMinAvailableDiskSpaceToStartEvictionNotSpecified = -1;
 
 QuotaTemporaryStorageEvictor::QuotaTemporaryStorageEvictor(
     QuotaEvictionHandler* quota_eviction_handler,
     int64 interval_ms)
@@ skipping 82 matching lines @@
   // Reset stats for next round.
   round_statistics_ = EvictionRoundStatistics();
 }
 
 void QuotaTemporaryStorageEvictor::Start() {
   DCHECK(CalledOnValidThread());
   StartEvictionTimerWithDelay(0);
 
   if (histogram_timer_.IsRunning())
     return;
-  histogram_timer_.Start(FROM_HERE, kHistogramReportInterval, this,
-                         &QuotaTemporaryStorageEvictor::ReportPerHourHistogram);
+
+  histogram_timer_.Start(
+      FROM_HERE, base::TimeDelta::FromMinutes(kHistogramReportIntervalMinutes),
+      this, &QuotaTemporaryStorageEvictor::ReportPerHourHistogram);
 }
 
 void QuotaTemporaryStorageEvictor::StartEvictionTimerWithDelay(int delay_ms) {
   if (eviction_timer_.IsRunning())
     return;
   eviction_timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(delay_ms),
                         this, &QuotaTemporaryStorageEvictor::ConsiderEviction);
 }
 
 void QuotaTemporaryStorageEvictor::ConsiderEviction() {
@@ skipping 98 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 quota