Make session restore understand that tabs have multiple SessionStorageNamespaces.

chrome/browser/ui/browser_tabrestore.cc

Index: chrome/browser/ui/browser_tabrestore.cc
diff --git a/chrome/browser/ui/browser_tabrestore.cc b/chrome/browser/ui/browser_tabrestore.cc
index cb184a355fc0d492a050152869b634fc4d379c57..0753c33db3326d44f6f647fc006d9bc60e3f1ba2 100644
--- a/chrome/browser/ui/browser_tabrestore.cc
+++ b/chrome/browser/ui/browser_tabrestore.cc
@@ -15,7 +15,6 @@
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
-#include "content/public/browser/session_storage_namespace.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "ipc/ipc_message.h"
@@ -40,21 +39,14 @@ content::WebContents* AddRestoredTab(
     bool select,
     bool pin,
     bool from_last_session,
-    content::SessionStorageNamespace* session_storage_namespace) {
+    const content::SessionStorageNamespaceMap& storage_namespace_map) {
   GURL restore_url = navigations.at(selected_navigation).virtual_url();
-  // TODO(ajwong): Remove the temporary session_storage_namespace_map when
-  // we teach session restore to understand that one tab can have multiple
-  // SessionStorageNamespace objects. Also remove the
-  // session_storage_namespace.h include since we only need that to assign
-  // into the map.
-  content::SessionStorageNamespaceMap session_storage_namespace_map;
-  session_storage_namespace_map[""] = session_storage_namespace;
   TabContents* tab_contents = chrome::TabContentsWithSessionStorageFactory(
       browser->profile(),
       tab_util::GetSiteInstanceForNewTab(browser->profile(), restore_url),
       MSG_ROUTING_NONE,
       chrome::GetActiveWebContents(browser),
-      session_storage_namespace_map);
+      storage_namespace_map);
   WebContents* new_tab = tab_contents->web_contents();
   tab_contents->extension_tab_helper()->SetExtensionAppById(extension_app_id);
   std::vector<NavigationEntry*> entries;
@@ -100,21 +92,14 @@ void ReplaceRestoredTab(
     int selected_navigation,
     bool from_last_session,
     const std::string& extension_app_id,
-    content::SessionStorageNamespace* session_storage_namespace) {
+    const content::SessionStorageNamespaceMap& storage_namespace_map) {
   GURL restore_url = navigations.at(selected_navigation).virtual_url();
-  // TODO(ajwong): Remove the temporary session_storage_namespace_map when
-  // we teach session restore to understand that one tab can have multiple
-  // SessionStorageNamespace objects. Also remove the
-  // session_storage_namespace.h include since we only need that to assign
-  // into the map.
-  content::SessionStorageNamespaceMap session_storage_namespace_map;
-  session_storage_namespace_map[""] = session_storage_namespace;
   TabContents* tab_contents = chrome::TabContentsWithSessionStorageFactory(
       browser->profile(),
       tab_util::GetSiteInstanceForNewTab(browser->profile(), restore_url),
       MSG_ROUTING_NONE,
       GetActiveWebContents(browser),
-      session_storage_namespace_map);
+      storage_namespace_map);
   tab_contents->extension_tab_helper()->SetExtensionAppById(extension_app_id);
   WebContents* replacement = tab_contents->web_contents();
   std::vector<NavigationEntry*> entries;