Stop casting uintptr_t* to int*.

base/files/file_path_watcher.h

 // Copyright (c) 2012 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.
 
 // This module provides a way to monitor a file or directory for changes.
 
 #ifndef BASE_FILES_FILE_PATH_WATCHER_H_
 #define BASE_FILES_FILE_PATH_WATCHER_H_
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop_proxy.h"
 
 namespace base {
 
 // This class lets you register interest in changes on a FilePath.
-// The delegate will get called whenever the file or directory referenced by the
+// The callback will get called whenever the file or directory referenced by the
 // FilePath is changed, including created or deleted. Due to limitations in the
 // underlying OS APIs, FilePathWatcher has slightly different semantics on OS X
 // than on Windows or Linux. FilePathWatcher on Linux and Windows will detect
 // modifications to files in a watched directory. FilePathWatcher on Mac will
 // detect the creation and deletion of files in a watched directory, but will
 // not detect modifications to those files. See file_path_watcher_kqueue.cc for
 // details.
 class BASE_EXPORT FilePathWatcher {
  public:
   // Callback type for Watch(). |path| points to the file that was updated,
   // and |error| is true if the platform specific code detected an error. In
   // that case, the callback won't be invoked again.
   typedef base::Callback<void(const FilePath& path, bool error)> Callback;
 
   // Used internally to encapsulate different members on different platforms.
-  // TODO(jhawkins): Move this into its own file. Also fix the confusing naming
-  // wrt Delegate vs PlatformDelegate.
   class PlatformDelegate : public base::RefCountedThreadSafe<PlatformDelegate> {
    public:
     PlatformDelegate();
 
     // Start watching for the given |path| and notify |delegate| about changes.
     virtual bool Watch(const FilePath& path,
                        bool recursive,
                        const Callback& callback) WARN_UNUSED_RESULT = 0;
 
     // Stop watching. This is called from FilePathWatcher's dtor in order to
@@ skipping 53 matching lines @@
 
  private:
   scoped_refptr<PlatformDelegate> impl_;
 
   DISALLOW_COPY_AND_ASSIGN(FilePathWatcher);
 };
 
 }  // namespace base
 
 #endif  // BASE_FILES_FILE_PATH_WATCHER_H_