Creating functions for uploading a mipmapped texture.

include/gpu/SkGr.h

Index: include/gpu/SkGr.h
diff --git a/include/gpu/SkGr.h b/include/gpu/SkGr.h
index 4de61afffbc67fdca2dc70032818faad6c9a2c32..afb7d1f738a07742f4c237c2b2ba0640e416c99d 100644
--- a/include/gpu/SkGr.h
+++ b/include/gpu/SkGr.h
@@ -19,10 +19,11 @@
 
 // skia headers
 #include "SkBitmap.h"
+#include "SkClipStack.h"
+#include "SkMipMapLevel.h"
 #include "SkPath.h"
 #include "SkPoint.h"
 #include "SkRegion.h"
-#include "SkClipStack.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 // Sk to Gr Type conversions
@@ -72,6 +73,8 @@ bool GrIsBitmapInCache(const GrContext*, const SkBitmap&, const GrTextureParams*
 
 GrTexture* GrRefCachedBitmapTexture(GrContext*, const SkBitmap&, const GrTextureParams*);
 
+GrTexture* GrMipMapTexture(GrContext&, const SkBitmap&, SkDiscardableFactoryProc);
+
 ////////////////////////////////////////////////////////////////////////////////
 
 // Converts a SkPaint to a GrPaint, ignoring the SkPaint's shader.