Rewrites SerializedNavigationEntry to not have any //content member variables.

chrome/browser/sync/glue/session_sync_test_helper.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 "chrome/browser/sync/glue/session_sync_test_helper.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/sync/glue/synced_session.h"
 #include "sync/protocol/session_specifics.pb.h"
 #include "sync/protocol/sync_enums.pb.h"
@@ skipping 64 matching lines @@
          tab_iter != (*win_iter).end(); ++tab_iter, ++j) {
       SessionTab* tab = win_ptr->tabs[j];
       ASSERT_EQ(*tab_iter, tab->tab_id.id());
       ASSERT_EQ(1U, tab->navigations.size());
       ASSERT_EQ(1, tab->tab_visual_index);
       ASSERT_EQ(0, tab->current_navigation_index);
       ASSERT_TRUE(tab->pinned);
       ASSERT_EQ(kAppId, tab->extension_app_id);
       ASSERT_EQ(1U, tab->navigations.size());
       ASSERT_EQ(tab->navigations[0].virtual_url(), GURL(kVirtualUrl));
-      ASSERT_EQ(tab->navigations[0].referrer().url, GURL(kReferrer));
+      ASSERT_EQ(tab->navigations[0].referrer_url(), GURL(kReferrer));
       ASSERT_EQ(tab->navigations[0].title(),
                 base::ASCIIToUTF16(kTitle));
       ASSERT_EQ(tab->navigations[0].transition_type(),
                 ui::PAGE_TRANSITION_TYPED);
     }
   }
 }
 
 void SessionSyncTestHelper::BuildTabSpecifics(
     const std::string& tag,
@@ skipping 31 matching lines @@
   for (size_t i = 0; i < tab_list.size(); ++i) {
     BuildTabSpecifics(tag, 0, tab_list[i], &tabs1[i]);
   }
 
   if (tabs)
     tabs->swap(tabs1);
   return meta;
 }
 
 }  // namespace browser_sync