Store creating url in origin nodes and use it for content settings.

chrome/browser/browsing_data_database_helper.h

Index: chrome/browser/browsing_data_database_helper.h
diff --git a/chrome/browser/browsing_data_database_helper.h b/chrome/browser/browsing_data_database_helper.h
index 4fd852beecc9b780253b546cbdceeb1908e4a5ae..6020e9dd2cf6ff77f59656d8613f3af1bcfb8ff6 100644
--- a/chrome/browser/browsing_data_database_helper.h
+++ b/chrome/browser/browsing_data_database_helper.h
@@ -33,12 +33,14 @@ class BrowsingDataDatabaseHelper
                  const std::string& database_name,
                  const std::string& origin_identifier,
                  const std::string& description,
+                 const std::string& origin,
                  int64 size,
                  base::Time last_modified)
         : host(host),
           database_name(database_name),
           origin_identifier(origin_identifier),
           description(description),
+          origin(origin),
           size(size),
           last_modified(last_modified) {
     }
@@ -53,6 +55,7 @@ class BrowsingDataDatabaseHelper
     std::string database_name;
     std::string origin_identifier;
     std::string description;
+    std::string origin;
     int64 size;
     base::Time last_modified;
   };