Fix uninitialized variables introduced in CL 72374. time_slice_hrs was causin...

chrome/browser/web_resource/web_resource_service.cc

 // Copyright (c) 2011 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 "chrome/browser/web_resource/web_resource_service.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
@@ skipping 381 matching lines @@
     old_promo_end = prefs_->GetReal(prefs::kNTPPromoEnd);
   }
 
   // Check for newly received start and end values.
   if (parsed_json.GetDictionary("topic", &topic_dict)) {
     if (topic_dict->GetList("answers", &answer_list)) {
       std::string promo_start_string = "";
       std::string promo_end_string = "";
       std::string promo_string = "";
       std::string promo_build = "";
-      int promo_build_type;
-      int time_slice_hrs;
+      int promo_build_type = 0;
+      int time_slice_hrs = 0;
       for (ListValue::const_iterator tip_iter = answer_list->begin();
            tip_iter != answer_list->end(); ++tip_iter) {
         if (!(*tip_iter)->IsType(Value::TYPE_DICTIONARY))
           continue;
         DictionaryValue* a_dic =
             static_cast<DictionaryValue*>(*tip_iter);
         std::string promo_signal;
         if (a_dic->GetString("name", &promo_signal)) {
           if (promo_signal == "promo_start") {
             a_dic->GetString("question", &promo_build);
@@ skipping 157 matching lines @@
     } else {
       is_promo_build = true;
     }
   }
 
   return !promo_closed && !is_synced && is_promo_build;
 }
 
 }  // namespace WebResourceService