browser: implement multiple permission requesting

chromecast/browser/cast_permission_manager.cc

Index: chromecast/browser/cast_permission_manager.cc
diff --git a/chromecast/browser/cast_permission_manager.cc b/chromecast/browser/cast_permission_manager.cc
index eaa6b940a03cf7ee1f6b241f678d5e312e58e691..5146fcfd35f315b97df7aed2d8af5eb03c454503 100644
--- a/chromecast/browser/cast_permission_manager.cc
+++ b/chromecast/browser/cast_permission_manager.cc
@@ -29,11 +29,21 @@ int CastPermissionManager::RequestPermission(
   return kNoPendingOperation;
 }
 
-void CastPermissionManager::CancelPermissionRequest(
-    content::PermissionType permission,
+int CastPermissionManager::RequestPermissions(
+    const std::vector<content::PermissionType>& permissions,
     content::RenderFrameHost* render_frame_host,
-    int request_id,
-    const GURL& origin) {
+    const GURL& requesting_origin,
+    bool user_gesture,
+    const base::Callback<void(
+        const std::vector<content::PermissionStatus>&)>& callback) {
+  std::vector<content::PermissionStatus> result;
+  for (size_t i = 0; i < permissions.size(); ++i)
+    result.push_back(content::PermissionStatus::PERMISSION_STATUS_GRANTED);
+  callback.Run(result);
+  return kNoPendingOperation;
+}
+
+void CastPermissionManager::CancelPermissionRequest(int request_id) {
 }
 
 void CastPermissionManager::ResetPermission(