History: Add range navigation control for grouped visits

chrome/browser/ui/webui/history_ui.h

Index: chrome/browser/ui/webui/history_ui.h
diff --git a/chrome/browser/ui/webui/history_ui.h b/chrome/browser/ui/webui/history_ui.h
index a1c96ed43fe1279c9bd55cf4ca9037e0cab93bfa..975cb7acb30c5560e2a3b1289372025e756f0072 100644
--- a/chrome/browser/ui/webui/history_ui.h
+++ b/chrome/browser/ui/webui/history_ui.h
@@ -92,11 +92,11 @@ class BrowsingHistoryHandler : public content::WebUIMessageHandler,
   bool ExtractIntegerValueAtIndex(
       const base::ListValue* value, int index, int* out_int);
 
-  // Set the query options for a month-wide query.
-  void SetQueryTimeInMonths(history::QueryOptions* options);
+  // Set the query options for a week-wide query, |offset| weeks ago.
+  void SetQueryTimeInWeeks(int offset, history::QueryOptions* options);
 
-  // Set the query options for a week-wide query.
-  void SetQueryTimeInWeeks(history::QueryOptions* options);
+  // Sets the query options for a monthly query, |offset| months ago.
+  void SetQueryTimeInMonths(int offset, history::QueryOptions* options);
 
   content::NotificationRegistrar registrar_;