Coverity: Fix uninitialized member variables.

chrome/browser/intents/cws_intents_registry.cc

 // Copyright (c) 2012 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/intents/cws_intents_registry.h"
 
 #include "base/callback.h"
 #include "base/json/json_value_serializer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util.h"
@@ skipping 17 matching lines @@
 
 // Internal object representing all data associated with a single query.
 struct CWSIntentsRegistry::IntentsQuery {
   // Underlying URL request query.
   scoped_ptr<content::URLFetcher> url_fetcher_;
 
   // The callback - invoked on completed retrieval.
   ResultsCallback callback_;
 };
 
-CWSIntentsRegistry::IntentExtensionInfo::IntentExtensionInfo() {
+CWSIntentsRegistry::IntentExtensionInfo::IntentExtensionInfo()
+    : num_ratings(0),
+      average_rating(0) {
 }
 
 CWSIntentsRegistry::IntentExtensionInfo::~IntentExtensionInfo() {
 }
 
 CWSIntentsRegistry::CWSIntentsRegistry(net::URLRequestContextGetter* context)
     : request_context_(context) {
 }
 
 CWSIntentsRegistry::~CWSIntentsRegistry() {
@@ skipping 99 matching lines @@
 
 // static
 GURL CWSIntentsRegistry::BuildQueryURL(const string16& action,
                                        const string16& type) {
   GURL request(kCWSIntentServiceURL);
   request = chrome_browser_net::AppendQueryParameter(request, "intent",
                                                      UTF16ToUTF8(action));
   return chrome_browser_net::AppendQueryParameter(request, "mime_types",
                                                   UTF16ToUTF8(type));
 }