Refactor helper function for SkBitmapShader to GrFragmentProcessor

include/gpu/SkGr.h

Index: include/gpu/SkGr.h
diff --git a/include/gpu/SkGr.h b/include/gpu/SkGr.h
index 4de61afffbc67fdca2dc70032818faad6c9a2c32..e46479eb0f3f0e586051b413ef4d319bc9c826b2 100644
--- a/include/gpu/SkGr.h
+++ b/include/gpu/SkGr.h
@@ -14,8 +14,9 @@
 #include <stddef.h>
 
 // Gr headers
-#include "GrTypes.h"
 #include "GrContext.h"
+#include "GrTextureAccess.h"
+#include "GrTypes.h"
 
 // skia headers
 #include "SkBitmap.h"
@@ -96,6 +97,11 @@ SkImageInfo GrMakeInfoFromTexture(GrTexture* tex, int w, int h, bool isOpaque);
 // Using the dreaded SkGrPixelRef ...
 void GrWrapTextureInBitmap(GrTexture* src, int w, int h, bool isOpaque, SkBitmap* dst);
 
+GrTextureParams::FilterMode GrSkFilterQualityToGrFilterMode(SkFilterQuality paintFilterQuality,
+                                                            const SkMatrix& viewM,
+                                                            const SkMatrix& localM,
+                                                            bool* doBicubic);
+
 ////////////////////////////////////////////////////////////////////////////////
 // Classes