AfterStartupTask: Use ForTesting() method rather than friends.

chrome/browser/after_startup_task_utils.h

 // Copyright 2015 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_AFTER_STARTUP_TASK_UTILS_H_
 #define CHROME_BROWSER_AFTER_STARTUP_TASK_UTILS_H_
 
 #include "base/basictypes.h"
 #include "base/bind.h"
-#include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 
-class ExtensionServiceTest;
-
 namespace android {
 class AfterStartupTaskUtilsJNI;
 }
 
 namespace base {
 class TaskRunner;
 }
 namespace tracked_objects {
 class Location;
 };
 
 class AfterStartupTaskUtils {
  public:
   // Observes startup and when complete runs tasks that have accrued.
   static void StartMonitoringStartup();
 
   // Used to augment the behavior of BrowserThread::PostAfterStartupTask
   // for chrome. Tasks are queued until startup is complete.
   // Note: see browser_thread.h
   static void PostTask(const tracked_objects::Location& from_here,
                        const scoped_refptr<base::TaskRunner>& task_runner,
                        const base::Closure& task);
 
   // Returns true if browser startup is complete. Only use this on a one-off
   // basis; If you need to poll this function constantly, use the above
   // PostTask() API instead.
   static bool IsBrowserStartupComplete();
 
+  // For use by unit tests where we don't have normal content loading
+  // infrastructure and thus StartMonitoringStartup() is unsuitable.
+  static void SetBrowserStartupIsCompleteForTesting();
+
+  static void UnsafeResetForTesting();
+
  private:
-  friend class AfterStartupTaskTest;
+  // TODO(wkorman): Look into why Android calls
+  // SetBrowserStartupIsComplete() directly. Ideally it would use
+  // StartMonitoringStartup() as the normal approach.
   friend class android::AfterStartupTaskUtilsJNI;
-  friend class ::ExtensionServiceTest;
-  friend class InProcessBrowserTest;
-  FRIEND_TEST_ALL_PREFIXES(AfterStartupTaskTest, IsStartupComplete);
-  FRIEND_TEST_ALL_PREFIXES(AfterStartupTaskTest, PostTask);
 
   static void SetBrowserStartupIsComplete();
-  static void UnsafeResetForTesting();
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AfterStartupTaskUtils);
 };
 
 #endif  // CHROME_BROWSER_AFTER_STARTUP_TASK_UTILS_H_