Remove GrTGpuResourceRef specializations

This template is only used for GrBuffers now.

Change-Id: Ia9e95576b01124657e64007231fbc0a83276e13f
Reviewed-on: https://skia-review.googlesource.com/19484
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/glsl/GrGLSLXferProcessor.cpp b/src/gpu/glsl/GrGLSLXferProcessor.cpp
index 41a4677..5af0f05 100644
--- a/src/gpu/glsl/GrGLSLXferProcessor.cpp
+++ b/src/gpu/glsl/GrGLSLXferProcessor.cpp
@@ -8,6 +8,7 @@
 #include "glsl/GrGLSLXferProcessor.h"
 
 #include "GrShaderCaps.h"
+#include "GrTexture.h"
 #include "GrXferProcessor.h"
 #include "glsl/GrGLSLFragmentShaderBuilder.h"
 #include "glsl/GrGLSLProgramDataManager.h"