| // Copyright 2020 The Chromium Authors | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | #ifndef CONTENT_BROWSER_DEVTOOLS_PROTOCOL_HANDLER_HELPERS_H_ | 
 | #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_HANDLER_HELPERS_H_ | 
 |  | 
 | #include <string> | 
 |  | 
 | namespace content { | 
 |  | 
 | class FrameTreeNode; | 
 |  | 
 | namespace protocol { | 
 |  | 
 | FrameTreeNode* FrameTreeNodeFromDevToolsFrameToken( | 
 |     FrameTreeNode* root, | 
 |     const std::string& devtools_frame_token); | 
 | }  // namespace protocol | 
 | }  // namespace content | 
 |  | 
 | #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_HANDLER_HELPERS_H_ |