Ability to clear old history

chrome/browser/browsing_data_remover.h

Index: chrome/browser/browsing_data_remover.h
diff --git a/chrome/browser/browsing_data_remover.h b/chrome/browser/browsing_data_remover.h
index 3d66f0d1a2a6f5e5f06c1cd9319815318b7c9b3f..e33b8038c30779267a1804fb318c50b050ad14b5 100644
--- a/chrome/browser/browsing_data_remover.h
+++ b/chrome/browser/browsing_data_remover.h
@@ -57,6 +57,10 @@ class BrowsingDataRemover : public content::NotificationObserver,
     LAST_DAY,
     LAST_WEEK,
     FOUR_WEEKS,
+    EXCEPT_LAST_HOUR,
+    EXCEPT_LAST_DAY,
+    EXCEPT_LAST_WEEK,
+    EXCEPT_FOUR_WEEKS,
     EVERYTHING
   };
 
@@ -124,8 +128,7 @@ class BrowsingDataRemover : public content::NotificationObserver,
 
   // Creates a BrowsingDataRemover to remove browser data from the specified
   // profile in the specified time range.
-  BrowsingDataRemover(Profile* profile, TimePeriod time_period,
-                      base::Time delete_end);
+  BrowsingDataRemover(Profile* profile, TimePeriod time_period);
 
   // Removes the specified items related to browsing for all origins that match
   // the provided |origin_set_mask| (see BrowsingDataHelper::OriginSetMask).
@@ -283,6 +286,9 @@ class BrowsingDataRemover : public content::NotificationObserver,
   // Calculate the begin time for the deletion range specified by |time_period|.
   base::Time CalculateBeginDeleteTime(TimePeriod time_period);
 
+  // Calculate the end time for the deletion range specified by |time_period|.
+  base::Time CalculateEndDeleteTime(TimePeriod time_period);
+
   // Returns true if we're all done.
   bool AllDone();