Add functions to clean URLs from the activity log

chrome/browser/extensions/activity_log/fullstream_ui_policy.h

Index: chrome/browser/extensions/activity_log/fullstream_ui_policy.h
diff --git a/chrome/browser/extensions/activity_log/fullstream_ui_policy.h b/chrome/browser/extensions/activity_log/fullstream_ui_policy.h
index 4f50d54cf8e36667a808f7d260f6b79ed35cd526..746117d70d99ca7a203f4fa335091ee2ea63a301 100644
--- a/chrome/browser/extensions/activity_log/fullstream_ui_policy.h
+++ b/chrome/browser/extensions/activity_log/fullstream_ui_policy.h
@@ -39,6 +39,9 @@ class FullStreamUIPolicy : public ActivityLogDatabasePolicy {
       const base::Callback
           <void(scoped_ptr<Action::ActionVector>)>& callback) OVERRIDE;
 
+  // Clean the URL data stored for this policy.
+  virtual void RemoveURLs(const std::vector<GURL>& restrict_urls) OVERRIDE;
+
   virtual void Close() OVERRIDE;
 
   // Database table schema.
@@ -65,6 +68,10 @@ class FullStreamUIPolicy : public ActivityLogDatabasePolicy {
   virtual scoped_refptr<Action> ProcessArguments(
       scoped_refptr<Action> action) const;
 
+  // The implementation of RemoveURLs; this must only run on the database
+  // thread.
+  virtual void DoRemoveURLs(const std::vector<GURL>& restrict_urls);
+
   // Tracks any pending updates to be written to the database, if write
   // batching is turned on.  Should only be accessed from the database thread.
   Action::ActionVector queued_actions_;