Task manager should support Idle Wakeups on Windows

chrome/browser/task_management/task_manager_browsertest_util.h

 // Copyright 2016 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.
 
 // These "task_management::browsertest_util" functions allow you to wait for a
 // task manager to show a particular state, enabling tests of the form "do
 // something that ought to create a process, then wait for that process to show
 // up in the Task Manager." They are intended to abstract away the details of
 // the platform's TaskManager UI.
 
 #ifndef CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_BROWSERTEST_UTIL_H_
 #define CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_BROWSERTEST_UTIL_H_
 
 #include <stddef.h>
 
 #include "base/strings/string16.h"
 
 namespace task_management {
 namespace browsertest_util {
 
 // Specifies some integer-valued column of numeric data reported by the task
 // manager model. Please add more here as needed by tests.
 enum class ColumnSpecifier {
   V8_MEMORY,
   V8_MEMORY_USED,
   SQLITE_MEMORY_USED,
+  IDLE_WAKEUPS,
 
   COLUMN_NONE,  // Default value.
 };
 
 // Runs the message loop, observing the task manager, until there are exactly
 // |resource_count| many resources whose titles match the pattern
 // |title_pattern|. The match is done via string_util's base::MatchPattern, so
 // |title_pattern| may contain wildcards like "*".
 //
 // If the wait times out, this test will trigger a gtest failure. To get
@@ skipping 33 matching lines @@
 base::string16 MatchSubframe(const char* title);    // "Subframe: " + title
 base::string16 MatchAnySubframe();                  // "Subframe: *"
 // "Utility: " + title
 base::string16 MatchUtility(const base::string16& title);
 base::string16 MatchAnyUtility();                   // "Utility: *"
 
 }  // namespace browsertest_util
 }  // namespace task_management
 
 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_BROWSERTEST_UTIL_H_