get rid of Surface::getISurfaceTexture()

{

public:

    /*

     * creates a Surface from the given IGraphicBufferProducer (which concrete

     * implementation is a BufferQueue).

     *

     * Surface is mainly state-less while it's disconnected, it can be

     * viewed as a glorified IGraphicBufferProducer holder. It's therefore

     * safe to create other Surfaces from the same IGraphicBufferProducer.

     *

     * However, once a Surface is connected, it'll prevent other Surfaces

     * referring to the same IGraphicBufferProducer to become connected and

     * therefore prevent them to be used as actual producers of buffers.

     */

    Surface(const sp<IGraphicBufferProducer>& bufferProducer);

    /* getIGraphicBufferProducer() returns the IGraphicBufferProducer this

     * Surface was created with. Usually it's an error to use the

     * IGraphicBufferProducer while the Surface is connected.

     */

    sp<IGraphicBufferProducer> getIGraphicBufferProducer() const;

    static status_t writeToParcel(const sp<Surface>& surface, Parcel* parcel);

    static sp<Surface> readFromParcel(const Parcel& data);

    /* convenience function to check that the given surface is non NULL as

     * well as its IGraphicBufferProducer */

    static bool isValid(const sp<Surface>& surface) {

        return surface != NULL && surface->getIGraphicBufferProducer() != NULL;

    }

    // FIXME: temporary for source compatibility...

    sp<IGraphicBufferProducer> getISurfaceTexture() const {

        return getIGraphicBufferProducer();

    }

    /* writes the given Surface into a Parcel */

    static status_t writeToParcel(const sp<Surface>& surface, Parcel* parcel);

    /* constructs a Surface from a Parcel. see Surface::writeToParcel()

     * and SurfaceControl::writeToParcel() */

    static sp<Surface> readFromParcel(const Parcel& data);

protected:

    Surface();

};

TEST_F(SurfaceTextureClientTest, GetISurfaceTextureIsNotNull) {

    sp<IGraphicBufferProducer> ist(mSTC->getISurfaceTexture());

    sp<IGraphicBufferProducer> ist(mSTC->getIGraphicBufferProducer());

    ASSERT_TRUE(ist != NULL);

}