1 files changed, 10 insertions, 1 deletions
diff --git a/webkit/appcache/appcache_histograms.h b/webkit/appcache/appcache_histograms.h
index d74f9e7..e9371c3 100644
--- a/webkit/appcache/appcache_histograms.h
+++ b/webkit/appcache/appcache_histograms.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -34,6 +34,15 @@ class AppCacheHistograms {
   static void AddCompletionQueueTimeSample(const base::TimeDelta& duration);
   static void AddCompletionRunTimeSample(const base::TimeDelta& duration);
 
+  static void AddMissingManifestEntrySample();
+
+  enum MissingManifestCallsiteType {
+    CALLSITE_0, CALLSITE_1, CALLSITE_2, CALLSITE_3,
+    NUM_MISSING_MANIFEST_CALLSITE_TYPES
+  };
+  static void AddMissingManifestDetectedAtCallsite(
+      MissingManifestCallsiteType type);
+
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(AppCacheHistograms);
 };