Tab Strip: Initialize the blocked state for a tab.

chrome/browser/ui/tabs/tab_strip_model.cc

Index: chrome/browser/ui/tabs/tab_strip_model.cc
===================================================================
--- chrome/browser/ui/tabs/tab_strip_model.cc	(revision 220060)
+++ chrome/browser/ui/tabs/tab_strip_model.cc	(working copy)
@@ -20,6 +20,7 @@
 #include "chrome/browser/ui/tabs/tab_strip_model_delegate.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_order_controller.h"
 #include "chrome/common/url_constants.h"
+#include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
@@ -188,6 +189,11 @@
     data->opener = active_contents;
   }
 
+  web_modal::WebContentsModalDialogManager* modal_dialog_manager =
+      web_modal::WebContentsModalDialogManager::FromWebContents(contents);
+  if (modal_dialog_manager)
+    data->blocked = modal_dialog_manager->IsShowingDialog();
+
   contents_data_.insert(contents_data_.begin() + index, data);
 
   selection_model_.IncrementFrom(index);