| Index: chrome/browser/extensions/chrome_content_browser_client_extensions_part.h | 
| diff --git a/chrome/browser/extensions/chrome_content_browser_client_extensions_part.h b/chrome/browser/extensions/chrome_content_browser_client_extensions_part.h | 
| index c4c8b7826bfeed997caf31dfa04a17a7e1205cb6..a69cf10bcdd0f4eb886f7549c362deba3be4c41d 100644 | 
| --- a/chrome/browser/extensions/chrome_content_browser_client_extensions_part.h | 
| +++ b/chrome/browser/extensions/chrome_content_browser_client_extensions_part.h | 
| @@ -5,6 +5,10 @@ | 
| #ifndef CHROME_BROWSER_EXTENSIONS_CHROME_CONTENT_BROWSER_CLIENT_EXTENSIONS_PART_H_ | 
| #define CHROME_BROWSER_EXTENSIONS_CHROME_CONTENT_BROWSER_CLIENT_EXTENSIONS_PART_H_ | 
|  | 
| +#include <memory> | 
| +#include <string> | 
| +#include <vector> | 
| + | 
| #include "base/compiler_specific.h" | 
| #include "base/macros.h" | 
| #include "chrome/browser/chrome_content_browser_client_parts.h" | 
| @@ -71,9 +75,8 @@ class ChromeContentBrowserClientExtensionsPart | 
| static std::unique_ptr<content::VpnServiceProxy> GetVpnServiceProxy( | 
| content::BrowserContext* browser_context); | 
|  | 
| -  static bool ShouldFrameShareParentSiteInstanceDespiteTopDocumentIsolation( | 
| -      const GURL& url, | 
| -      content::SiteInstance* parent_site_instance); | 
| +  static bool IsMainFrameSiteInstanceExcludedFromTopDocumentIsolation( | 
| +      content::SiteInstance* main_frame_site_instance); | 
|  | 
| private: | 
| FRIEND_TEST_ALL_PREFIXES(ChromeContentBrowserClientExtensionsPartTest, | 
|  |