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

content/browser/tab_contents/tab_contents.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/tab_contents.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 149 matching lines @@
   params->current_history_list_offset = controller.last_committed_entry_index();
   params->current_history_list_length = controller.entry_count();
   params->url = entry.url();
   params->referrer = entry.referrer();
   params->transition = entry.transition_type();
   params->state = entry.content_state();
   params->navigation_type =
       GetNavigationType(controller.browser_context(), entry, reload_type);
   params->request_time = base::Time::Now();
   params->extra_headers = entry.extra_headers();
+  params->transferred_request_child_id =
+      entry.transferred_global_request_id().child_id;
+  params->transferred_request_request_id =
+      entry.transferred_global_request_id().request_id;
 
   if (delegate)
     delegate->AddNavigationHeaders(params->url, &params->extra_headers);
 }
 
 }  // namespace
 
 
 // TabContents ----------------------------------------------------------------
 
@@ skipping 1563 matching lines @@
   content::NotificationService::current()->Notify(
       content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
       content::Source<TabContents>(this),
       content::Details<int>(&page_id));
 }
 
 void TabContents::RequestOpenURL(const GURL& url,
                                  const GURL& referrer,
                                  WindowOpenDisposition disposition,
                                  int64 source_frame_id) {
+  // Delegate to RequestTransferURL because this is just the generic
+  // case where |old_request_id| is empty.
+  RequestTransferURL(url, referrer, disposition, source_frame_id,
+                     GlobalRequestID());
+}
+
+void TabContents::RequestTransferURL(const GURL& url,
+                                     const GURL& referrer,
+                                     WindowOpenDisposition disposition,
+                                     int64 source_frame_id,
+                                     const GlobalRequestID& old_request_id) {
   TabContents* new_contents = NULL;
   content::PageTransition transition_type = content::PAGE_TRANSITION_LINK;
   if (render_manager_.web_ui()) {
     // When we're a Web UI, it will provide a page transition type for us (this
     // is so the new tab page can specify AUTO_BOOKMARK for automatically
     // generated suggestions).
     //
     // Note also that we hide the referrer for Web UI pages. We don't really
     // want web sites to see a referrer of "chrome://blah" (and some
     // chrome: URLs might have search terms or other stuff we don't want to
     // send to the site), so we send no referrer.
-    new_contents = OpenURL(url, GURL(), disposition,
-            render_manager_.web_ui()->link_transition_type());
+    OpenURLParams params(url, GURL(), disposition,
+        render_manager_.web_ui()->link_transition_type(),
+        false /* is_renderer_initiated */);
+    params.transferred_global_request_id = old_request_id;
+    new_contents = OpenURL(params);
     transition_type = render_manager_.web_ui()->link_transition_type();
   } else {
-    new_contents = OpenURL(OpenURLParams(
-        url, referrer, disposition, content::PAGE_TRANSITION_LINK,
-        true /* is_renderer_initiated */));
+    OpenURLParams params(url, referrer, disposition,
+        content::PAGE_TRANSITION_LINK, true /* is_renderer_initiated */);
+    params.transferred_global_request_id = old_request_id;
+    new_contents = OpenURL(params);
   }
   if (new_contents) {
     // Notify observers.
     FOR_EACH_OBSERVER(TabContentsObserver, observers_,
                       DidOpenRequestedURL(new_contents,
                                           url,
                                           referrer,
                                           disposition,
                                           transition_type,
                                           source_frame_id));
@@ skipping 277 matching lines @@
   RenderWidgetHostView* rwh_view = view()->CreateViewForWidget(rvh);
   // Can be NULL during tests.
   if (rwh_view)
     rwh_view->SetSize(view()->GetContainerSize());
 }
 
 bool TabContents::GotResponseToLockMouseRequest(bool allowed) {
   return render_view_host() ?
       render_view_host()->GotResponseToLockMouseRequest(allowed) : false;
 }