Remove the protector service.

chrome/test/data/web_database/version_43.sql

 PRAGMA foreign_keys=OFF;
 BEGIN TRANSACTION;
 CREATE TABLE meta(key LONGVARCHAR NOT NULL UNIQUE PRIMARY KEY,value LONGVARCHAR);
 INSERT INTO "meta" VALUES('version','43');
 INSERT INTO "meta" VALUES('last_compatible_version','43');
 INSERT INTO "meta" VALUES('Default Search Provider ID','2');
 INSERT INTO "meta" VALUES('Default Search Provider ID Backup','3');
-INSERT INTO "meta" VALUES('Default Search Provider ID Backup Signature','Invalid signature');
+INSERT INTO "meta" VALUES('Default Search Provider ID Backup Signature','');
 INSERT INTO "meta" VALUES('Builtin Keyword Version','37');
 CREATE TABLE keywords (id INTEGER PRIMARY KEY,short_name VARCHAR NOT NULL,keyword VARCHAR NOT NULL,favicon_url VARCHAR NOT NULL,url VARCHAR NOT NULL,show_in_default_list INTEGER,safe_for_autoreplace INTEGER,originating_url VARCHAR,date_created INTEGER DEFAULT 0,usage_count INTEGER DEFAULT 0,input_encodings VARCHAR,suggest_url VARCHAR,prepopulate_id INTEGER DEFAULT 0,autogenerate_keyword INTEGER DEFAULT 0,logo_id INTEGER DEFAULT 0,created_by_policy INTEGER DEFAULT 0,instant_url VARCHAR,last_modified INTEGER DEFAULT 0, sync_guid VARCHAR);
 INSERT INTO "keywords" VALUES(2,'Google','google.com','http://www.google.com/favicon.ico','{google:baseURL}search?{google:RLZ}{google:acceptedSuggestion}{google:originalQueryForSuggestion}sourceid=chrome&ie={inputEncoding}&q={searchTerms}',1,1,'',0,0,'UTF-8','{google:baseSuggestURL}search?client=chrome&hl={language}&q={searchTerms}',1,1,1234,0,'{google:baseURL}webhp?{google:RLZ}sourceid=chrome-instant&ie={inputEncoding}&ion=1{searchTerms}&nord=1',0,'{1234-5678-90AB-CDEF}');
 CREATE TABLE keywords_backup (id INTEGER PRIMARY KEY,short_name VARCHAR NOT NULL,keyword VARCHAR NOT NULL,favicon_url VARCHAR NOT NULL,url VARCHAR NOT NULL,show_in_default_list INTEGER,safe_for_autoreplace INTEGER,originating_url VARCHAR,date_created INTEGER DEFAULT 0,usage_count INTEGER DEFAULT 0,input_encodings VARCHAR,suggest_url VARCHAR,prepopulate_id INTEGER DEFAULT 0,autogenerate_keyword INTEGER DEFAULT 0,logo_id INTEGER DEFAULT 0,created_by_policy INTEGER DEFAULT 0,instant_url VARCHAR,last_modified INTEGER DEFAULT 0, sync_guid VARCHAR);
 INSERT INTO "keywords_backup" VALUES(2,'Google','google.com','http://www.google.com/favicon.ico','{google:baseURL}search?{google:RLZ}{google:acceptedSuggestion}{google:originalQueryForSuggestion}sourceid=chrome&ie={inputEncoding}&q={searchTerms}',1,1,'',0,0,'UTF-8','{google:baseSuggestURL}search?client=chrome&hl={language}&q={searchTerms}',1,1,1234,0,'{google:baseURL}webhp?{google:RLZ}sourceid=chrome-instant&ie={inputEncoding}&ion=1{searchTerms}&nord=1',0,'{1234-5678-90AB-CDEF}');
 CREATE TABLE logins (origin_url VARCHAR NOT NULL, action_url VARCHAR, username_element VARCHAR, username_value VARCHAR, password_element VARCHAR, password_value BLOB, submit_element VARCHAR, signon_realm VARCHAR NOT NULL,ssl_valid INTEGER NOT NULL,preferred INTEGER NOT NULL,date_created INTEGER NOT NULL,blacklisted_by_user INTEGER NOT NULL,scheme INTEGER NOT NULL,UNIQUE (origin_url, username_element, username_value, password_element, submit_element, signon_realm));
 CREATE TABLE web_app_icons (url LONGVARCHAR,width int,height int,image BLOB, UNIQUE (url, width, height));
 CREATE TABLE web_apps (url LONGVARCHAR UNIQUE,has_all_images INTEGER NOT NULL);
 CREATE TABLE autofill (name VARCHAR, value VARCHAR, value_lower VARCHAR, pair_id INTEGER PRIMARY KEY, count INTEGER DEFAULT 1);
 CREATE TABLE autofill_dates ( pair_id INTEGER DEFAULT 0, date_created INTEGER DEFAULT 0);
 CREATE TABLE autofill_profiles ( guid VARCHAR PRIMARY KEY, company_name VARCHAR, address_line_1 VARCHAR, address_line_2 VARCHAR, city VARCHAR, state VARCHAR, zipcode VARCHAR, country VARCHAR, country_code VARCHAR, date_modified INTEGER NOT NULL DEFAULT 0);
 CREATE TABLE autofill_profile_names ( guid VARCHAR, first_name VARCHAR, middle_name VARCHAR, last_name VARCHAR);
 CREATE TABLE autofill_profile_emails ( guid VARCHAR, email VARCHAR);
 CREATE TABLE autofill_profile_phones ( guid VARCHAR, type INTEGER DEFAULT 0, number VARCHAR);
 CREATE TABLE credit_cards ( guid VARCHAR PRIMARY KEY, name_on_card VARCHAR, expiration_month INTEGER, expiration_year INTEGER, card_number_encrypted BLOB, date_modified INTEGER NOT NULL DEFAULT 0);
 CREATE TABLE token_service (service VARCHAR PRIMARY KEY NOT NULL,encrypted_token BLOB);
 CREATE INDEX logins_signon ON logins (signon_realm);
 CREATE INDEX web_apps_url_index ON web_apps (url);
 CREATE INDEX autofill_name ON autofill (name);
 CREATE INDEX autofill_name_value_lower ON autofill (name, value_lower);
 CREATE INDEX autofill_dates_pair_id ON autofill_dates (pair_id);
 COMMIT;