Persist sessionStorage on disk.

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 14 matching lines @@
 #include "chrome/browser/sessions/session_service_factory.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/child_process_security_policy.h"
+#include "content/public/browser/dom_storage_context.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "net/base/network_change_notifier.h"
 #include "webkit/glue/glue_serialize.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/boot_times_loader.h"
 #endif
 
 using content::NavigationController;
 using content::RenderWidgetHost;
 using content::WebContents;
 
+namespace content {
+class SessinStorageNamespace;
+}  // namespace content
+
 namespace {
 
 class SessionRestoreImpl;
 class TabLoader;
 
 TabLoader* shared_tab_loader = NULL;
 
 // Pointers to SessionRestoreImpls which are currently restoring the session.
 std::set<SessionRestoreImpl*>* active_session_restorers = NULL;
 
@@ skipping 804 matching lines @@
                           bool schedule_load) {
     DCHECK(!tab.navigations.empty());
     int selected_index = tab.current_navigation_index;
     selected_index = std::max(
         0,
         std::min(selected_index,
                  static_cast<int>(tab.navigations.size() - 1)));
 
     RecordAppLaunchForTab(browser, tab, selected_index);
 
+    // Associate sessionStorage (if any) to the restored tab.
+    content::SessionStorageNamespace* session_storage_namespace = NULL;

[michaeln, 2012/06/05 01:41:07]

probably s/b a scoped_refptr<> here

[marja, 2012/06/06 13:37:10]

Done.

+    if (!tab.session_storage_persistent_id.empty()) {
+      session_storage_namespace =
+          content::BrowserContext::GetDOMStorageContext(profile_)->
+          CreateSessionStorage(tab.session_storage_persistent_id);
+    }
+
     WebContents* web_contents =
         browser->AddRestoredTab(tab.navigations,
                                 tab_index,
                                 selected_index,
                                 tab.extension_app_id,
                                 false,  // select
                                 tab.pinned,
                                 true,
-                                NULL);
+                                session_storage_namespace);
     // 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 183 matching lines @@
   if (active_session_restorers == NULL)
     return false;
   for (std::set<SessionRestoreImpl*>::const_iterator it =
            active_session_restorers->begin();
        it != active_session_restorers->end(); ++it) {
     if ((*it)->profile() == profile)
       return true;
   }
   return false;
 }