Revert of Make base::WeakPtr::Get() fast

base/message_loop/message_loop_test.cc

 // Copyright 2013 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 "base/message_loop/message_loop_test.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 350 matching lines @@
     MessageLoop::current()->SetNestableTasksAllowed(true);
     RunLoop().Run();
   }
   MessageLoop::current()->QuitWhenIdle();
 }
 
 void RunTest_Nesting(MessagePumpFactory factory) {
   std::unique_ptr<MessagePump> pump(factory());
   MessageLoop loop(std::move(pump));
 
-  int depth = 50;
+  int depth = 100;
   ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                           BindOnce(&NestingFunc, &depth));
   RunLoop().Run();
   EXPECT_EQ(depth, 0);
 }
 
 enum TaskType {
   MESSAGEBOX,
   ENDDIALOG,
   RECURSIVE,
@@ skipping 604 matching lines @@
   const int kNumTimes = 1 << 17;
   std::unique_ptr<MessagePump> pump(factory());
   MessageLoop loop(std::move(pump));
   loop.task_runner()->PostTask(FROM_HERE,
                                BindOnce(&PostNTasksThenQuit, kNumTimes));
   RunLoop().Run();
 }
 
 }  // namespace test
 }  // namespace base