IsValidHeaderValue 175 chrome/browser/extensions/api/declarative_webrequest/webrequest_action.cc if (!helpers::IsValidHeaderValue(value)) { IsValidHeaderValue 216 chrome/browser/extensions/api/declarative_webrequest/webrequest_action.cc if (!helpers::IsValidHeaderValue(value)) { IsValidHeaderValue 240 chrome/browser/extensions/api/declarative_webrequest/webrequest_action.cc if (has_value && !helpers::IsValidHeaderValue(value)) { IsValidHeaderValue 2356 chrome/browser/extensions/api/web_request/web_request_api.cc if (!helpers::IsValidHeaderValue(value)) { IsValidHeaderValue 332 chrome/browser/extensions/api/web_request/web_request_api_helpers.h bool IsValidHeaderValue(const std::string& value);