Reintroduce plumbing for user gesture into permission system.

chrome/browser/push_messaging/push_messaging_permission_context.cc

 // Copyright 2014 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/push_messaging/push_messaging_permission_context.h"
 
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/permissions/permission_manager.h"
 #include "chrome/browser/permissions/permission_request_id.h"
 #include "chrome/browser/permissions/permission_uma_util.h"
@@ skipping 57 matching lines @@
 //  - You need to request it from a top level domain
 //  - You need to have notification permission granted.
 //  - You need to not have push permission explicitly blocked.
 //  - If those 3 things are true it is granted without prompting.
 // This is done to avoid double prompting for notifications and push.
 void PushMessagingPermissionContext::DecidePermission(
     content::WebContents* web_contents,
     const PermissionRequestID& id,
     const GURL& requesting_origin,
     const GURL& embedding_origin,
+    bool user_gesture,
     const BrowserPermissionCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 #if defined(ENABLE_NOTIFICATIONS)
   if (requesting_origin != embedding_origin) {
     NotifyPermissionSet(id, requesting_origin, embedding_origin, callback,
                         false /* persist */, CONTENT_SETTING_BLOCK);
     return;
   }
 
   PermissionManager::Get(profile_)->RequestPermission(
       content::PermissionType::NOTIFICATIONS, web_contents->GetMainFrame(),
-      requesting_origin,
+      requesting_origin, user_gesture,
       base::Bind(&PushMessagingPermissionContext::DecidePushPermission,
                  weak_factory_ui_thread_.GetWeakPtr(), id, requesting_origin,
                  embedding_origin, callback));
 #else
   NotifyPermissionSet(id, requesting_origin, embedding_origin, callback,
                       false /* persist */, CONTENT_SETTING_BLOCK);
 #endif
 }
 
 bool PushMessagingPermissionContext::IsRestrictedToSecureOrigins() const {
@@ skipping 27 matching lines @@
     DVLOG(1) << "Notification permission has not been granted.";
     NotifyPermissionSet(id, requesting_origin, embedding_origin, callback,
                         false /* persist */, CONTENT_SETTING_BLOCK);
     return;
   }
 
   PermissionUmaUtil::PermissionGranted(permission_type(), requesting_origin);
   NotifyPermissionSet(id, requesting_origin, embedding_origin, callback,
                       true /* persist */, CONTENT_SETTING_ALLOW);
 }