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摘要： 实现RAII chromium 有两个类一个是 RefCounted 类需要实现引用计数的的类都要继承此类// A base class for reference counted classes. Otherwise, known as a cheap// knock-off of WebKit's RefCounted<T> class. To use this guy just extend your// class from it like so://// class MyFoo : public base::RefCounted<MyFoo> {// 阅读全文