Add the navigation redirect-chain to Sync sessions proto for offline analysis.

content/browser/frame_host/navigation_entry_impl.cc

 // Copyright 2013 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/frame_host/navigation_entry_impl.h"
 
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/common/content_constants.h"
@@ skipping 271 matching lines @@
 }
 
 void NavigationEntryImpl::SetHttpStatusCode(int http_status_code) {
   http_status_code_ = http_status_code;
 }
 
 int NavigationEntryImpl::GetHttpStatusCode() const {
   return http_status_code_;
 }
 
+void NavigationEntryImpl::SetRedirectChain(
+    const std::vector<GURL>& redirect_chain) {
+  redirect_chain_ = redirect_chain;
+}
+
+const std::vector<GURL>& NavigationEntryImpl::GetRedirectChain() const {
+  return redirect_chain_;
+}
+
 bool NavigationEntryImpl::IsRestored() const {
   return restore_type_ != RESTORE_NONE;
 }
 
 void NavigationEntryImpl::SetCanLoadLocalResources(bool allow) {
   can_load_local_resources_ = allow;
 }
 
 bool NavigationEntryImpl::GetCanLoadLocalResources() const {
   return can_load_local_resources_;
@@ skipping 26 matching lines @@
   extra_data_.erase(key);
 }
 
 void NavigationEntryImpl::ResetForCommit() {
   // Any state that only matters when a navigation entry is pending should be
   // cleared here.
   SetBrowserInitiatedPostData(NULL);
   set_is_renderer_initiated(false);
   set_transferred_global_request_id(GlobalRequestID());
   set_should_replace_entry(false);
-  redirect_chain_.clear();
+
   set_should_clear_history_list(false);
   set_frame_tree_node_id(-1);
 }
 
 void NavigationEntryImpl::SetScreenshotPNGData(
     scoped_refptr<base::RefCountedBytes> png_data) {
   screenshot_ = png_data;
   if (screenshot_.get())
     UMA_HISTOGRAM_MEMORY_KB("Overscroll.ScreenshotSize", screenshot_->size());
 }
 
 }  // namespace content