Deletes the class VideoRendererCallback.

webrtc/modules/video_render/linux/video_render_linux_impl.cc

Index: webrtc/modules/video_render/linux/video_render_linux_impl.cc
diff --git a/webrtc/modules/video_render/linux/video_render_linux_impl.cc b/webrtc/modules/video_render/linux/video_render_linux_impl.cc
index 7e53dfdf809e2a434d91f8e8f8fad7e2386b15a4..cb518dbeaf902e9a5e893e422d1af1ddd3a5139f 100644
--- a/webrtc/modules/video_render/linux/video_render_linux_impl.cc
+++ b/webrtc/modules/video_render/linux/video_render_linux_impl.cc
@@ -77,7 +77,7 @@ int32_t VideoRenderLinuxImpl::ChangeWindow(void* window)
     return -1;
 }
 
-VideoRenderCallback* VideoRenderLinuxImpl::AddIncomingRenderStream(
+rtc::VideoSinkInterface<VideoFrame>* VideoRenderLinuxImpl::AddIncomingRenderStream(
                                                                        const uint32_t streamId,
                                                                        const uint32_t zOrder,
                                                                        const float left,
@@ -89,7 +89,7 @@ VideoRenderCallback* VideoRenderLinuxImpl::AddIncomingRenderStream(
                  __FUNCTION__);
     CriticalSectionScoped cs(&_renderLinuxCritsect);
 
-    VideoRenderCallback* renderCallback = NULL;
+    rtc::VideoSinkInterface<VideoFrame>* renderCallback = NULL;
     if (_ptrX11Render)
     {
         VideoX11Channel* renderChannel =
@@ -102,7 +102,7 @@ VideoRenderCallback* VideoRenderLinuxImpl::AddIncomingRenderStream(
                          streamId);
             return NULL;
         }
-        renderCallback = (VideoRenderCallback *) renderChannel;
+        renderCallback = (rtc::VideoSinkInterface<VideoFrame> *) renderChannel;
     }
     else
     {