Change NavigationController::LoadURL to take a Referrer class instead of a GURL as referrer

content/browser/tab_contents/navigation_controller.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 "content/browser/tab_contents/navigation_controller.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_number_conversions.h"  // Temporary
 #include "base/string_util.h"
@@ skipping 454 matching lines @@
   bool is_current = index == last_committed_entry_index_;
   RemoveEntryAtIndexInternal(index);
   if (is_current) {
     // We removed the currently shown entry, so we have to load something else.
     if (last_committed_entry_index_ != -1) {
       pending_entry_index_ = last_committed_entry_index_;
       NavigateToPendingEntry(NO_RELOAD);
     } else {
       // If there is nothing to show, show a default page.
       LoadURL(default_url.is_empty() ? GURL("about:blank") : default_url,
-              GURL(), content::PAGE_TRANSITION_START_PAGE, std::string());
+              content::Referrer(), content::PAGE_TRANSITION_START_PAGE,
+              std::string());
     }
   }
 }
 
 void NavigationController::UpdateVirtualURLToURL(
     NavigationEntry* entry, const GURL& new_url) {
   GURL new_virtual_url(new_url);
   if (BrowserURLHandler::GetInstance()->ReverseURLRewrite(
           &new_virtual_url, entry->virtual_url(), browser_context_)) {
     entry->set_virtual_url(new_virtual_url);
@@ skipping 25 matching lines @@
                                                  is_renderer_initiated,
                                                  extra_headers,
                                                  browser_context_);
   entry->set_transferred_global_request_id(transferred_global_request_id);
 
   LoadEntry(entry);
 }
 
 void NavigationController::LoadURL(
     const GURL& url,
-    const GURL& referrer,
+    const content::Referrer& referrer,
     content::PageTransition transition,
     const std::string& extra_headers) {
   // The user initiated a load, we don't need to reload anymore.
   needs_reload_ = false;
 
-  NavigationEntry* entry = CreateNavigationEntry(url, referrer, transition,
+  NavigationEntry* entry = CreateNavigationEntry(url, referrer.url, transition,
                                                  false,
                                                  extra_headers,
                                                  browser_context_);
 
   LoadEntry(entry);
 }
 
 void NavigationController::LoadURLFromRenderer(
     const GURL& url,
-    const GURL& referrer,
+    const content::Referrer& referrer,
     content::PageTransition transition,
     const std::string& extra_headers) {
   // The user initiated a load, we don't need to reload anymore.
   needs_reload_ = false;
 
-  NavigationEntry* entry = CreateNavigationEntry(url, referrer, transition,
+  NavigationEntry* entry = CreateNavigationEntry(url, referrer.url, transition,
                                                  true,
                                                  extra_headers,
                                                  browser_context_);
 
   LoadEntry(entry);
 }
 
 void NavigationController::DocumentLoadedInFrame() {
   last_document_loaded_ = base::TimeTicks::Now();
 }
@@ skipping 727 matching lines @@
   for (int i = 0; i < max_index; i++) {
     // When cloning a tab, copy all entries except interstitial pages
     if (source.entries_[i].get()->page_type() !=
         content::PAGE_TYPE_INTERSTITIAL) {
       entries_.insert(entries_.begin() + insert_index++,
                       linked_ptr<NavigationEntry>(
                           new NavigationEntry(*source.entries_[i])));
     }
   }
 }