[Manifest] Add metrics recording.

content/renderer/manifest/manifest_uma_util.h

Index: content/renderer/manifest/manifest_uma_util.h
diff --git a/content/renderer/manifest/manifest_uma_util.h b/content/renderer/manifest/manifest_uma_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..c8d4051f64979395b9c6e79584a2e3e97d0ad3d0
--- /dev/null
+++ b/content/renderer/manifest/manifest_uma_util.h
@@ -0,0 +1,21 @@
+// Copyright 2014 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 CONTENT_RENDERER_MANIFEST_MANIFEST_UMA_UTIL_H_
+#define CONTENT_RENDERER_MANIFEST_MANIFEST_UMA_UTIL_H_
+
+namespace content {
+
+struct Manifest;
+
+class ManifestUmaUtil {
+ public:
+  static void ParsedManifest(const Manifest& manifest);

[Miguel Garcia, 2014/10/02 14:26:47]

You probably want to add documentation to what each of the methods does so they
can be understood without having to look at the code that calls them

[mlamouri (slow - plz ping), 2014/10/02 15:35:06]

Done.

+  static void FetchSucceeded();
+  static void FetchFailed();
+};
+
+} // namespace content
+
+#endif // CONTENT_RENDERER_MANIFEST_MANIFEST_UMA_UTIL_H_