Fix some problems with TaskManagerBrowserTest.PopulateWebCacheFields:

chrome/common/notification_type.h

 // Copyright (c) 2010 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_COMMON_NOTIFICATION_TYPE_H_
 #define CHROME_COMMON_NOTIFICATION_TYPE_H_
 #pragma once
 
 // This file describes various types used to describe and filter notifications
 // that pass through the NotificationService.
@@ skipping 1033 matching lines @@
     // these notifications is issued per new token.
     // The source is a TokenService on the Profile. The details are a
     // TokenAvailableDetails object.
     TOKEN_AVAILABLE,
 
     // If a token request failed, one of these is issued per failed request.
     // The source is a TokenService on the Profile. The details are a
     // TokenRequestFailedDetails object.
     TOKEN_REQUEST_FAILED,
 
+    // Task Manager ------------------------------------------------------------
+
+    // Sent after the Task Manager has received updated ResourceTypeStats
+    // from a renderer. Source is a TaskManagerModel.
+    TASK_MANAGER_RESOURCE_TYPE_STATS_UPDATED,
+
     // Misc --------------------------------------------------------------------
 
 #if defined(OS_CHROMEOS)
     // Sent when a chromium os user logs in.
     LOGIN_USER_CHANGED,
 
     // Sent when user image is updated.
     LOGIN_USER_IMAGE_CHANGED,
 
     // Sent when a chromium os user attempts to log in.  The source is
@@ skipping 79 matching lines @@
 };
 
 inline bool operator==(NotificationType::Type a, NotificationType b) {
   return a == b.value;
 }
 inline bool operator!=(NotificationType::Type a, NotificationType b) {
   return a != b.value;
 }
 
 #endif  // CHROME_COMMON_NOTIFICATION_TYPE_H_