Mark TaskManagerBrowserTest.NoticeExtensionChanges as flaky....

chrome/browser/task_manager_browsertest.cc

 // 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.
 
 #include "chrome/browser/task_manager.h"
 
 #include "app/l10n_util.h"
 #include "base/file_path.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_window.h"
@@ skipping 99 matching lines @@
   ASSERT_TRUE(first_tab);
   browser()->CloseTabContents(first_tab);
   WaitForResourceChange(2);
 }
 
 #if defined(OS_WIN)
 // http://crbug.com/31663
 #define NoticeExtensionChanges DISABLED_NoticeExtensionChanges
 #endif
 
-IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, NoticeExtensionChanges) {
+// Flaky test bug filed in http://crbug.com/51701
+IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, FLAKY_NoticeExtensionChanges) {
   EXPECT_EQ(0, model()->ResourceCount());
 
   // Show the task manager. This populates the model, and helps with debugging
   // (you see the task manager).
   browser()->window()->ShowTaskManager();
 
   // Browser and the New Tab Page.
   EXPECT_EQ(2, model()->ResourceCount());
 
   // Loading an extension should result in a new resource being
@@ skipping 124 matching lines @@
   WaitForResourceChange(3);
 
   // Check that we get some value for the cache columns.
   DCHECK_NE(model()->GetResourceWebCoreImageCacheSize(2),
             l10n_util::GetString(IDS_TASK_MANAGER_NA_CELL_TEXT));
   DCHECK_NE(model()->GetResourceWebCoreScriptsCacheSize(2),
             l10n_util::GetString(IDS_TASK_MANAGER_NA_CELL_TEXT));
   DCHECK_NE(model()->GetResourceWebCoreCSSCacheSize(2),
             l10n_util::GetString(IDS_TASK_MANAGER_NA_CELL_TEXT));
 }