Moved BrowsingDataCounter and part of BrowsingDataCounterUtils to components.

components/browsing_data/browsing_data_utils.cc

Index: components/browsing_data/browsing_data_utils.cc
diff --git a/components/browsing_data/browsing_data_utils.cc b/components/browsing_data/browsing_data_utils.cc
new file mode 100644
index 0000000000000000000000000000000000000000..bcf237b95ecac73ffd4647d118976645bd4b0e40
--- /dev/null
+++ b/components/browsing_data/browsing_data_utils.cc
@@ -0,0 +1,56 @@
+// Copyright 2016 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 "components/browsing_data/browsing_data_utils.h"
+#include "content/public/browser/user_metrics.h"
+
+using base::UserMetricsAction;

[msramek, 2016/06/21 14:43:56]

This is typically discouraged. Please inline base::UserMetricsAction in this
file.

[ioanap, 2016/06/23 14:56:27]

Noted. I removed it completely, since the method that was using it is now back
in BrowsingDataRemover.

+
+TimeRange Unbounded() {
+  return TimeRange(base::Time(), base::Time::Max());
+}
+
+TimeRange Period(TimePeriod period) {
+  switch (period) {
+    case LAST_HOUR:
+      content::RecordAction(UserMetricsAction("ClearBrowsingData_LastHour"));
+      break;
+    case LAST_DAY:
+      content::RecordAction(UserMetricsAction("ClearBrowsingData_LastDay"));
+      break;
+    case LAST_WEEK:
+      content::RecordAction(UserMetricsAction("ClearBrowsingData_LastWeek"));
+      break;
+    case FOUR_WEEKS:
+      content::RecordAction(UserMetricsAction("ClearBrowsingData_LastMonth"));
+      break;
+    case EVERYTHING:
+      content::RecordAction(UserMetricsAction("ClearBrowsingData_Everything"));
+      break;
+  }
+  return TimeRange(CalculateBeginDeleteTime(period), base::Time::Max());
+}
+
+base::Time CalculateBeginDeleteTime(TimePeriod time_period) {
+  base::TimeDelta diff;
+  base::Time delete_begin_time = base::Time::Now();
+  switch (time_period) {
+    case LAST_HOUR:
+      diff = base::TimeDelta::FromHours(1);
+      break;
+    case LAST_DAY:
+      diff = base::TimeDelta::FromHours(24);
+      break;
+    case LAST_WEEK:
+      diff = base::TimeDelta::FromHours(7 * 24);
+      break;
+    case FOUR_WEEKS:
+      diff = base::TimeDelta::FromHours(4 * 7 * 24);
+      break;
+    case EVERYTHING:
+      delete_begin_time = base::Time();
+      break;
+  }
+  return delete_begin_time - diff;
+}