Fix UserSecureLinuxInternal so that it doesn't refer to a string that goes out

of scope when creating the libsecret schema.

PiperOrigin-RevId: 246425480

Author: jonsimantov

auth/src/desktop/secure/user_secure_linux_internal.cc

@@ -45,8 +45,9 @@ SecretSchema BuildSchema(const char key_namespace[]) {
 }  // namespace
 
 UserSecureLinuxInternal::UserSecureLinuxInternal(const char* key_namespace)
-    : key_namespace_(key_namespace),
-      storage_schema_(BuildSchema(key_namespace)) {}
+    : key_namespace_(key_namespace) {
+  storage_schema_ = BuildSchema(key_namespace_.c_str());
+}
 
 UserSecureLinuxInternal::~UserSecureLinuxInternal() {}
 

auth/src/desktop/secure/user_secure_linux_internal.h

@@ -44,7 +44,7 @@ class UserSecureLinuxInternal : public UserSecureInternal {
 
  private:
   const std::string key_namespace_;
-  const SecretSchema storage_schema_;
+  SecretSchema storage_schema_;
 };
 
 }  // namespace secure