net doesn't depend on libevent directly now.

base/message_pump_libevent_unittest.cc

 // Copyright (c) 2011 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_pump_libevent.h"
 
 #include <unistd.h>
 
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
@@ skipping 24 matching lines @@
   base::Thread io_thread_;
   DISALLOW_COPY_AND_ASSIGN(MessagePumpLibeventTest);
 };
 
 // Concrete implementation of base::MessagePumpLibevent::Watcher that does
 // nothing useful.
 class StupidWatcher : public base::MessagePumpLibevent::Watcher {
  public:
   virtual ~StupidWatcher() {}
 
-  // base:MessagePumpLibEvent::Watcher interface
+  // base:MessagePumpLibevent::Watcher interface
   virtual void OnFileCanReadWithoutBlocking(int fd) {}
   virtual void OnFileCanWriteWithoutBlocking(int fd) {}
 };
 
 }  // namespace
 
 #if GTEST_HAS_DEATH_TEST
 
 // Test to make sure that we catch calling WatchFileDescriptor off of the
 // wrong thread.
 TEST_F(MessagePumpLibeventTest, TestWatchingFromBadThread) {
   base::MessagePumpLibevent::FileDescriptorWatcher watcher;
   StupidWatcher delegate;
 
   ASSERT_DEBUG_DEATH(io_loop()->WatchFileDescriptor(
       STDOUT_FILENO, false, MessageLoopForIO::WATCH_READ, &watcher, &delegate),
       "Check failed: "
       "watch_file_descriptor_caller_checker_.CalledOnValidThread()");
 }
 
 #endif  // GTEST_HAS_DEATH_TEST