Delete unused methods SetStartImage and SetTimeoutImage.

webrtc/modules/video_render/video_render.h

Index: webrtc/modules/video_render/video_render.h
diff --git a/webrtc/modules/video_render/video_render.h b/webrtc/modules/video_render/video_render.h
index 84c9536e35cac7984c1ddbe814b16471f454946f..a24acb9e7aa2b7ead3b2f3f80af3dcbb1eb1a67b 100644
--- a/webrtc/modules/video_render/video_render.h
+++ b/webrtc/modules/video_render/video_render.h
@@ -250,19 +250,6 @@ public:
                             const uint32_t backgroundColorRef,
                             const float left, const float top,
                             const float right, const float bottom) = 0;
-
-    /*
-     * Set a start image. The image is rendered before the first image has been delivered
-     */
-    virtual int32_t SetStartImage(const uint32_t streamId,
-                                  const VideoFrame& videoFrame) = 0;
-
-    /*
-     * Set a timout image. The image is rendered if no videoframe has been delivered
-     */
-    virtual int32_t SetTimeoutImage(const uint32_t streamId,
-                                    const VideoFrame& videoFrame,
-                                    const uint32_t timeout) = 0;
 };
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_VIDEO_RENDER_VIDEO_RENDER_H_