// |shell_mode| should be set to one of GCAPI_INVOKED_STANDARD_SHELL or
// GCAPI_INVOKED_UAC_ELEVATION depending on whether this method is invoked
// from an elevated or non-elevated process.
-BOOL __stdcall ReactivateChrome(wchar_t* brand_code,
+BOOL __stdcall ReactivateChrome(const wchar_t* brand_code,
int shell_mode,
DWORD* error_code);