Fix a bug where redirect chain gets lost on process swap.

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 479 matching lines @@
   // Discard any current transient entry, we can only have one at a time.
   int index = 0;
   if (last_committed_entry_index_ != -1)
     index = last_committed_entry_index_ + 1;
   DiscardTransientEntry();
   entries_.insert(entries_.begin() + index, linked_ptr<NavigationEntry>(entry));
   transient_entry_index_ = index;
   tab_contents_->NotifyNavigationStateChanged(kInvalidateAll);
 }
 
+void NavigationController::TransferURL(
+    const GURL& url,
+    const GURL& referrer,
+    content::PageTransition transition,
+    const std::string& extra_headers,
+    const GlobalRequestID& transferred_global_request_id,
+    bool is_renderer_initiated) {
+  // The user initiated a load, we don't need to reload anymore.
+  needs_reload_ = false;
+
+  NavigationEntry* entry = CreateNavigationEntry(url, referrer, transition,
+                                                 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,
     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,
                                                  false,
@@ skipping 752 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])));
     }
   }
 }