Reintroduce plumbing for user gesture into permission system.

chrome/browser/media/protected_media_identifier_permission_context.cc

 // Copyright 2013 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/media/protected_media_identifier_permission_context.h"
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
@@ skipping 39 matching lines @@
 ProtectedMediaIdentifierPermissionContext::
     ~ProtectedMediaIdentifierPermissionContext() {
 }
 
 #if defined(OS_CHROMEOS)
 void ProtectedMediaIdentifierPermissionContext::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);
 
   // Since the dialog is modal, we only support one prompt per |web_contents|.
   // Reject the new one if there is already one pending. See
   // http://crbug.com/447005
   if (pending_requests_.count(web_contents)) {
     callback.Run(CONTENT_SETTING_ASK);
     return;
   }
@@ skipping 152 matching lines @@
       content_setting = CONTENT_SETTING_BLOCK;
       persist = true;
       break;
   }
 
   NotifyPermissionSet(
       id, requesting_origin, embedding_origin, callback,
       persist, content_setting);
 }
 #endif