Add UMA for the new generic permisison class

chrome/browser/content_settings/permission_context_uma_util.h

+// 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 CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_CONTEXT_UMA_UTIL_H_
+#define CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_CONTEXT_UMA_UTIL_H_
+
+#include "base/logging.h"
+#include "chrome/common/content_settings_types.h"
+
+// Provides a convenient way of logging UMA for permission related
+// operations.
+class PermissionContextUmaUtil {
+ public:
+  static void PermissionRequested(ContentSettingsType permission);
+  static void PermissionGranted(ContentSettingsType permission);
+  static void PermissionDenied(ContentSettingsType permission);
+  static void PermissionDismissed(ContentSettingsType permission);
+  static void PermissionIgnored(ContentSettingsType permission);
+
+ private:
+  PermissionContextUmaUtil() {} // only static methods allowed

[Bernhard Bauer, 2014/07/14 15:22:15]

DISALLOW_IMPLICIT_CONSTRUCTORS that will do this and DISALLOW_COPY_AND_ASSIGN
below.

[Miguel Garcia, 2014/07/14 16:57:50]

Thanks for the tip!

+
+  DISALLOW_COPY_AND_ASSIGN(PermissionContextUmaUtil);
+};
+
+#endif  // CHROME_BROWSER_CONTENT_SETTINGS_PERMISSION_CONTEXT_UMA_UTIL_H_