Revert 70722 - Disable crashy TaskManagerBrowserTest.ReloadExtension...

chrome/browser/task_manager/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/task_manager.h"
 
 #include "app/l10n_util.h"
 #include "base/file_path.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/background_contents_service.h"
@@ skipping 317 matching lines @@
       delegate->AsCrashedExtensionInfoBarDelegate();
   ASSERT_TRUE(crashed_delegate);
   crashed_delegate->Accept();
   WaitForResourceChange(3);
 }
 
 // Regression test for http://crbug.com/18693.
 //
 // This test has been crashy in the past, and is re-enabled temporarily to
 // gather more diagnostic information. See http://crbug.com/42315.
-// Crashy, http://crbug.com/66957.
-IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, DISABLED_ReloadExtension) {
+IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, ReloadExtension) {
   // Show the task manager. This populates the model, and helps with debugging
   // (you see the task manager).
   browser()->window()->ShowTaskManager();
 
   LOG(INFO) << "loading extension";
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("common").AppendASCII("background_page")));
 
   // Wait until we see the loaded extension in the task manager (the three
   // resources are: the browser process, New Tab Page, and the extension).
@@ skipping 45 matching lines @@
   WaitForResourceChange(3);
 
   // Check that we get some value for the cache columns.
   DCHECK_NE(model()->GetResourceWebCoreImageCacheSize(2),
             l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT));
   DCHECK_NE(model()->GetResourceWebCoreScriptsCacheSize(2),
             l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT));
   DCHECK_NE(model()->GetResourceWebCoreCSSCacheSize(2),
             l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT));
 }