Fix tests failures caused by issue 906493004.

extensions/common/user_script.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/common/user_script.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/command_line.h"
 #include "base/pickle.h"
 #include "base/strings/string_util.h"
@@ skipping 63 matching lines @@
       relative_path_(relative_path),
       url_(url) {
 }
 
 UserScript::File::File() {}
 
 UserScript::File::~File() {}
 
 UserScript::UserScript()
     : run_location_(DOCUMENT_IDLE),
+      consumer_instance_type_(TAB),
       user_script_id_(-1),
       emulate_greasemonkey_(false),
       match_all_frames_(false),
       match_about_blank_(false),
       incognito_enabled_(false) {}
 
 UserScript::~UserScript() {
 }
 
 void UserScript::add_url_pattern(const URLPattern& pattern) {
@@ skipping 195 matching lines @@
 }
 
 bool operator<(const UserScript& script1, const UserScript& script2) {
   // The only kind of script that should be compared is the kind that has its
   // IDs initialized to a meaningful value.
   DCHECK(script1.id() != -1 && script2.id() != -1);
   return script1.id() < script2.id();
 }
 
 }  // namespace extensions