Create the correct SiteInstance when restoring tabs that belong to apps.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 34c7cdd9e223c36e2173be01bb023ce2e25254ae..3d0065a4b3f30a39a52a964aef7c6e2f43b59ad8 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -67,6 +67,7 @@
 #include "chrome/browser/tab_closeable_state_watcher.h"
 #include "chrome/browser/tab_contents/background_contents.h"
 #include "chrome/browser/tab_contents/simple_alert_infobar_delegate.h"
+#include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/tabs/tab_finder.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/themes/theme_service.h"
@@ -1152,7 +1153,10 @@ TabContents* Browser::AddRestoredTab(
     bool pin,
     bool from_last_session,
     SessionStorageNamespace* session_storage_namespace) {
-  TabContentsWrapper* wrapper = TabContentsFactory(profile(), NULL,
+  GURL restore_url = navigations.at(selected_navigation).virtual_url();
+  TabContentsWrapper* wrapper = TabContentsFactory(
+      profile(),
+      tab_util::GetSiteInstanceForNewTab(NULL, profile_, restore_url),
       MSG_ROUTING_NONE,
       GetSelectedTabContents(),
       session_storage_namespace);
@@ -1198,7 +1202,10 @@ void Browser::ReplaceRestoredTab(
     bool from_last_session,
     const std::string& extension_app_id,
     SessionStorageNamespace* session_storage_namespace) {
-  TabContentsWrapper* wrapper = TabContentsFactory(profile(), NULL,
+  GURL restore_url = navigations.at(selected_navigation).virtual_url();
+  TabContentsWrapper* wrapper = TabContentsFactory(
+      profile(),
+      tab_util::GetSiteInstanceForNewTab(NULL, profile_, restore_url),
       MSG_ROUTING_NONE,
       GetSelectedTabContents(),
       session_storage_namespace);