[Downloads/History] Add tab-url and tab-referrer-url to DownloadRow

components/history/core/browser/download_row.h

Index: components/history/core/browser/download_row.h
diff --git a/components/history/core/browser/download_row.h b/components/history/core/browser/download_row.h
index 3127c3f3d6cd1578542bcab0ee6a9e319d106a86..98a7fdd663dccfd87f33d7bee14e458ce0a46d63 100644
--- a/components/history/core/browser/download_row.h
+++ b/components/history/core/browser/download_row.h
@@ -26,6 +26,8 @@ struct DownloadRow {
               const base::FilePath& target_path,
               const std::vector<GURL>& url_chain,
               const GURL& referrer,

[svaldez, 2016/04/12 20:54:17]

While here, could you rename this to referrer_url to match the class variable
and other ones.

+              const GURL& tab_url,
+              const GURL& tab_referrer_url,
               const std::string& http_method,
               const std::string& mime_type,
               const std::string& original_mime_type,
@@ -65,6 +67,14 @@ struct DownloadRow {
   // The URL that referred us. Is not changed by UpdateDownload().
   GURL referrer_url;
 
+  // The URL of the tab that initiated the download, if any. Not changed by
+  // UpdateDownload().
+  GURL tab_url;
+
+  // The referrer of the tab that initialized the download, if any. Not changed
+  // by UpdateDownload();
+  GURL tab_referrer_url;
+
   // HTTP method used for the request. GET is assumed if the method was not
   // stored for a download in the history database.
   std::string http_method;