Do not submit: high level overview patch.

chrome/browser/sessions/session_restore.cc

 // Copyright (c) 2012 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/sessions/session_restore.h"
 
 #include <algorithm>
 #include <list>
 #include <set>
 #include <string>
@@ skipping 600 matching lines @@
     RecordAppLaunchForTab(browser, tab, selected_index);
 
     if (disposition == CURRENT_TAB) {
       DCHECK(!use_new_window);
       chrome::ReplaceRestoredTab(browser,
                                  tab.navigations,
                                  selected_index,
                                  true,
                                  tab.extension_app_id,
                                  NULL,
-                                 tab.user_agent_override);
+                                 tab.user_agent_override,
+                                 tab.sync_session_id);
     } else {
       int tab_index =
           use_new_window ? 0 : browser->tab_strip_model()->active_index() + 1;
-      WebContents* web_contents = chrome::AddRestoredTab(
-          browser,
-          tab.navigations,
-          tab_index,
-          selected_index,
-          tab.extension_app_id,
-          disposition == NEW_FOREGROUND_TAB,  // selected
-          tab.pinned,
-          true,
-          NULL,
-          tab.user_agent_override);
+      WebContents* web_contents =
+          chrome::AddRestoredTab(browser,
+                                 tab.navigations,
+                                 tab_index,
+                                 selected_index,
+                                 tab.extension_app_id,
+                                 disposition == NEW_FOREGROUND_TAB,  // selected
+                                 tab.pinned,
+                                 true,
+                                 NULL,
+                                 tab.user_agent_override,
+                                 tab.sync_session_id);
       // Start loading the tab immediately.
       web_contents->GetController().LoadIfNecessary();
     }
 
     if (use_new_window) {
       browser->tab_strip_model()->ActivateTabAt(0, true);
       browser->window()->Show();
     }
     NotifySessionServiceOfRestoredTabs(browser,
                                        browser->tab_strip_model()->count());
@@ skipping 354 matching lines @@
     WebContents* web_contents =
         chrome::AddRestoredTab(browser,
                                tab.navigations,
                                tab_index,
                                selected_index,
                                tab.extension_app_id,
                                false,  // select
                                tab.pinned,
                                true,
                                session_storage_namespace.get(),
-                               tab.user_agent_override);
+                               tab.user_agent_override,
+                               tab.sync_session_id);
     // Regression check: check that the tab didn't start loading right away. The
     // focused tab will be loaded by Browser, and TabLoader will load the rest.
     DCHECK(web_contents->GetController().NeedsReload());
 
     // Set up the file access rights for the selected navigation entry.
     const int id = web_contents->GetRenderProcessHost()->GetID();
     const int read_file_permissions =
         base::PLATFORM_FILE_OPEN |
         base::PLATFORM_FILE_READ |
         base::PLATFORM_FILE_EXCLUSIVE_READ |
@@ skipping 215 matching lines @@
   if (!active_session_restorers)
     return false;
   for (std::set<SessionRestoreImpl*>::const_iterator it =
            active_session_restorers->begin();
        it != active_session_restorers->end(); ++it) {
     if ((*it)->synchronous())
       return true;
   }
   return false;
 }