Add UMA stats for AppCacheUpdateJob results.

webkit/browser/appcache/appcache_histograms.h

 // 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.
 
 #ifndef WEBKIT_BROWSER_APPCACHE_APPCACHE_HISTOGRAMS_H_
 #define WEBKIT_BROWSER_APPCACHE_APPCACHE_HISTOGRAMS_H_
 
 #include "base/basictypes.h"
+#include "webkit/browser/appcache/appcache_update_job.h"
 
 namespace base {
 class TimeDelta;
 }
 
 namespace appcache {
 
 class AppCacheHistograms {
  public:
   enum InitResultType {
     INIT_OK, SQL_DATABASE_ERROR, DISK_CACHE_ERROR,
     NUM_INIT_RESULT_TYPES
   };
   static void CountInitResult(InitResultType init_result);
   static void CountReinitAttempt(bool repeated_attempt);
   static void CountCorruptionDetected();
-
+  static void CountUpdateJobResult(AppCacheUpdateJob::ResultType result,
+                                   const GURL& origin_url);
   enum CheckResponseResultType {
     RESPONSE_OK, MANIFEST_OUT_OF_DATE, RESPONSE_OUT_OF_DATE, ENTRY_NOT_FOUND,
     READ_HEADERS_ERROR, READ_DATA_ERROR, UNEXPECTED_DATA_SIZE, CHECK_CANCELED,
     NUM_CHECK_RESPONSE_RESULT_TYPES
   };
   static void CountCheckResponseResult(CheckResponseResultType result);
 
   static void AddTaskQueueTimeSample(const base::TimeDelta& duration);
   static void AddTaskRunTimeSample(const base::TimeDelta& duration);
   static void AddCompletionQueueTimeSample(const base::TimeDelta& duration);
@@ skipping 10 matching lines @@
   static void AddMissingManifestDetectedAtCallsite(
       MissingManifestCallsiteType type);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(AppCacheHistograms);
 };
 
 }  // namespace appcache
 
 #endif  // WEBKIT_BROWSER_APPCACHE_APPCACHE_HISTOGRAMS_H_