Revert "Fix a ton of compiler warnings."

base/waitable_event_watcher_unittest.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2008 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.h"
 #include "base/platform_thread.h"
 #include "base/waitable_event.h"
 #include "base/waitable_event_watcher.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::WaitableEvent;
@@ skipping 19 matching lines @@
   int* counter_;
 };
 
 void RunTest_BasicSignal(MessageLoop::Type message_loop_type) {
   MessageLoop message_loop(message_loop_type);
 
   // A manual-reset event that is not yet signaled.
   WaitableEvent event(true, false);
 
   WaitableEventWatcher watcher;
-  EXPECT_TRUE(NULL == watcher.GetWatchedEvent());
+  EXPECT_EQ(NULL, watcher.GetWatchedEvent());
 
   QuitDelegate delegate;
   watcher.StartWatching(&event, &delegate);
   EXPECT_EQ(&event, watcher.GetWatchedEvent());
 
   event.Signal();
 
   MessageLoop::current()->Run();
 
-  EXPECT_TRUE(NULL == watcher.GetWatchedEvent());
+  EXPECT_EQ(NULL, watcher.GetWatchedEvent());
 }
 
 void RunTest_BasicCancel(MessageLoop::Type message_loop_type) {
   MessageLoop message_loop(message_loop_type);
 
   // A manual-reset event that is not yet signaled.
   WaitableEvent event(true, false);
 
   WaitableEventWatcher watcher;
 
@@ skipping 87 matching lines @@
   RunTest_OutlivesMessageLoop(MessageLoop::TYPE_DEFAULT);
   RunTest_OutlivesMessageLoop(MessageLoop::TYPE_IO);
   RunTest_OutlivesMessageLoop(MessageLoop::TYPE_UI);
 }
 
 TEST(WaitableEventWatcherTest, DeleteUnder) {
   RunTest_DeleteUnder(MessageLoop::TYPE_DEFAULT);
   RunTest_DeleteUnder(MessageLoop::TYPE_IO);
   RunTest_DeleteUnder(MessageLoop::TYPE_UI);
 }