Style cleanup in preparation for auto-linting base/.

base/object_watcher_unittest.cc

 // 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 <process.h>
 
 #include "base/message_loop.h"
 #include "base/object_watcher.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 class QuitDelegate : public base::ObjectWatcher::Delegate {
  public:
   virtual void OnObjectSignaled(HANDLE object) {
     MessageLoop::current()->Quit();
   }
 };
 
 class DecrementCountDelegate : public base::ObjectWatcher::Delegate {
  public:
-  DecrementCountDelegate(int* counter) : counter_(counter) {
+  explicit DecrementCountDelegate(int* counter) : counter_(counter) {
   }
   virtual void OnObjectSignaled(HANDLE object) {
     --(*counter_);
   }
  private:
   int* counter_;
 };
 
 }  // namespace
 
@@ skipping 101 matching lines @@
   RunTest_CancelAfterSet(MessageLoop::TYPE_DEFAULT);
   RunTest_CancelAfterSet(MessageLoop::TYPE_IO);
   RunTest_CancelAfterSet(MessageLoop::TYPE_UI);
 }
 
 TEST(ObjectWatcherTest, OutlivesMessageLoop) {
   RunTest_OutlivesMessageLoop(MessageLoop::TYPE_DEFAULT);
   RunTest_OutlivesMessageLoop(MessageLoop::TYPE_IO);
   RunTest_OutlivesMessageLoop(MessageLoop::TYPE_UI);
 }