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

chrome/browser/ui/browser_navigator.cc

Index: chrome/browser/ui/browser_navigator.cc
diff --git a/chrome/browser/ui/browser_navigator.cc b/chrome/browser/ui/browser_navigator.cc
index 9c92019f62d482092e193223593f5f70c15247ca..41e78f10ed79e418fa5e2dd06a31dcb849461763 100644
--- a/chrome/browser/ui/browser_navigator.cc
+++ b/chrome/browser/ui/browser_navigator.cc
@@ -499,7 +499,13 @@ void Navigate(NavigateParams* params) {
     if (!HandleNonNavigationAboutURL(url)) {
       // Perform the actual navigation, tracking whether it came from the
       // renderer.
-      if (params->is_renderer_initiated) {
+
+      if (params->transferred_global_request_id != GlobalRequestID()) {
+        params->target_contents->controller().TransferURL(
+            url, params->referrer, params->transition, extra_headers,
+            params->transferred_global_request_id,
+            params->is_renderer_initiated);
+      } else if (params->is_renderer_initiated) {
         params->target_contents->controller().LoadURLFromRenderer(
             url, params->referrer, params->transition, extra_headers);
       } else {
@@ -553,7 +559,12 @@ void Navigate(NavigateParams* params) {
     } else if (params->path_behavior == NavigateParams::IGNORE_AND_NAVIGATE &&
         target->GetURL() != params->url) {
       InitializeExtraHeaders(params, NULL, &extra_headers);
-      if (params->is_renderer_initiated) {
+      if (params->transferred_global_request_id != GlobalRequestID()) {

[Charlie Reis, 2011/12/02 22:38:11]

Perhaps we should abstract out this three-clause if (here and above) into a
helper function that takes in the controller and params?

[Matt Perry, 2011/12/03 00:14:24]

Done.

+        target->controller().TransferURL(
+            params->url, params->referrer, params->transition, extra_headers,
+            params->transferred_global_request_id,
+            params->is_renderer_initiated);
+      } else if (params->is_renderer_initiated) {
         target->controller().LoadURLFromRenderer(
             params->url, params->referrer, params->transition, extra_headers);
       } else {