Merge "Protect sp assignments in RemoteDataSource." into oc-dev am: 318e41b4

        return mSource->getSize(size);

    }

    virtual void close() {

        // Protect strong pointer assignments. This also can be called from the binder

        // clean-up procedure which is running on a separate thread.

        Mutex::Autolock lock(mCloseLock);

        mSource = nullptr;

        mMemory = nullptr;

    }

    sp<IMemory> mMemory;

    sp<DataSource> mSource;

    String8 mName;

    Mutex mCloseLock;

    explicit RemoteDataSource(const sp<DataSource> &source) {

        mSource = source;