Implement a permission check for push.

chrome/browser/content_settings/permission_queue_controller.cc

Index: chrome/browser/content_settings/permission_queue_controller.cc
diff --git a/chrome/browser/content_settings/permission_queue_controller.cc b/chrome/browser/content_settings/permission_queue_controller.cc
index 06c84853f59485be4ebb74e79fc98eb59e04f4e7..8981dc7381b2bdfab5b123dfe7aedf320dffa4f5 100644
--- a/chrome/browser/content_settings/permission_queue_controller.cc
+++ b/chrome/browser/content_settings/permission_queue_controller.cc
@@ -11,6 +11,7 @@
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/media/midi_permission_infobar_delegate.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/services/gcm/gcm_infobar_delegate.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/common/content_settings.h"
 #include "chrome/common/pref_names.h"
@@ -117,6 +118,13 @@ void PermissionQueueController::PendingInfobarRequest::CreateInfoBar(
           GetInfoBarService(id_), controller, id_, requesting_frame_,
           display_languages);
       break;
+    case CONTENT_SETTINGS_TYPE_PUSH_MESSAGING:
+      infobar_ = gcm::GCMInfoBarDelegate::Create(GetInfoBarService(id_),
+                                                 controller,
+                                                 id_,
+                                                 requesting_frame_,
+                                                 display_languages);
+      break;
 #if defined(OS_ANDROID)
     case CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER:
       infobar_ = ProtectedMediaIdentifierInfoBarDelegate::Create(