diff -urp webkitgtk-2.24.0.orig/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp webkitgtk-2.24.0/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp
--- webkitgtk-2.24.0.orig/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp	2019-03-13 04:21:39.000000000 -0500
+++ webkitgtk-2.24.0/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp	2019-03-26 17:38:02.621708276 -0500
@@ -29,7 +29,6 @@
 
 #include "GStreamerCommon.h"
 #include "GraphicsContext.h"
-#include "GraphicsContext3D.h"
 #include "ImageGStreamer.h"
 #include "ImageOrientation.h"
 #include "IntRect.h"
@@ -117,6 +116,7 @@
 #if USE(TEXTURE_MAPPER_GL)
 #include "BitmapTextureGL.h"
 #include "BitmapTexturePool.h"
+#include "GraphicsContext3D.h"
 #include "TextureMapperContextAttributes.h"
 #include "TextureMapperGL.h"
 #include "TextureMapperPlatformLayerBuffer.h"
@@ -191,6 +191,9 @@ public:
             if (m_isMapped)
                 m_textureID = *reinterpret_cast<GLuint*>(m_videoFrame.data[0]);
         } else
+#else
+        UNUSED_PARAM(gstGLEnabled);
+        UNUSED_PARAM(flags);
 #endif // USE(GSTREAMER_GL)
 
         {