Add enableReferrers and enableHyperlinkAuditing to contentSettings.misc API.

chrome/browser/download/save_package.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/download/save_package.h"
 
 #include <algorithm>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 845 matching lines @@
     // Pop SaveItem from waiting list.
     SaveItem* save_item = waiting_item_queue_.front();
     waiting_item_queue_.pop();
 
     // Add the item to in_progress_items_.
     SaveUrlItemMap::iterator it = in_progress_items_.find(
         save_item->url().spec());
     DCHECK(it == in_progress_items_.end());
     in_progress_items_[save_item->url().spec()] = save_item;
     save_item->Start();
+    GURL referrer;
+    Profile* profile = tab_contents()->GetRenderProcessHost()->profile();
+    if (profile->GetPrefs()->GetBoolean(prefs::kEnableReferrers))
+      referrer = save_item->referrer();
     file_manager_->SaveURL(save_item->url(),
-                           save_item->referrer(),
+                           referrer,
                            tab_contents()->GetRenderProcessHost()->id(),
                            routing_id(),
                            save_item->save_source(),
                            save_item->full_path(),
                            request_context_getter_.get(),
                            this);
   } while (process_all_remaining_items && waiting_item_queue_.size());
 }
 
 
@@ skipping 584 matching lines @@
 }
 
 // SelectFileDialog::Listener interface.
 void SavePackage::FileSelected(const FilePath& path,
                                int index, void* params) {
   ContinueSave(path, index);
 }
 
 void SavePackage::FileSelectionCanceled(void* params) {
 }