Replace the GURL referrer field of OpenURLParams with a content::Referrer

chrome/browser/ui/gtk/about_chrome_dialog.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/gtk/about_chrome_dialog.h"
 
 #include <gtk/gtk.h>
 
 #include <string>
 #include <vector>
@@ skipping 50 matching lines @@
   g_free(markup);
 
   // Left align it.
   gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
 
   return label;
 }
 
 void OnLinkButtonClick(GtkWidget* button, const char* url) {
   BrowserList::GetLastActive()->OpenURL(OpenURLParams(
-      GURL(url), GURL(), NEW_WINDOW, content::PAGE_TRANSITION_LINK, false));
+      GURL(url), content::Referrer(), NEW_WINDOW, content::PAGE_TRANSITION_LINK,
+      false));
 }
 
 const char* GetChromiumUrl() {
   CR_DEFINE_STATIC_LOCAL(GURL, url, (google_util::AppendGoogleLocaleParam(
       GURL(chrome::kChromiumProjectURL))));
   return url.spec().c_str();
 }
 
 gboolean OnEventBoxExpose(GtkWidget* event_box,
                           GdkEventExpose* expose,
@@ skipping 187 matching lines @@
       ui::kContentAreaBorder, 0,
       ui::kContentAreaBorder, ui::kContentAreaBorder);
   gtk_container_add(GTK_CONTAINER(alignment), vbox);
   gtk_box_pack_start(GTK_BOX(content_area), alignment, FALSE, FALSE, 0);
 
   g_signal_connect(dialog, "response", G_CALLBACK(OnResponse), NULL);
   gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
   gtk_widget_show_all(dialog);
   gtk_widget_grab_focus(close_button);
 }