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 68b93a1f8a7e15fcc775c95ead7016325d0ae59c..cddec790e19099d57acb3bc4d2206c12ffc7560e 100644
--- a/include/gpu/SkGr.h
+++ b/include/gpu/SkGr.h
@@ -20,10 +20,11 @@
 
 // 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
@@ -89,6 +90,8 @@ bool GrIsImageInCache(const GrContext* ctx, uint32_t imageID, const SkIRect& sub
 GrTexture* GrRefCachedBitmapTexture(GrContext*, const SkBitmap&, const GrTextureParams*);
 GrTexture* GrRefCachedBitmapTexture(GrContext*, const SkBitmap&, SkImageUsageType);
 
+GrTexture* GrMipMapTexture(GrContext&, const SkBitmap&, SkDiscardableFactoryProc);
+
 GrTexture* GrCreateTextureForPixels(GrContext*, const GrUniqueKey& optionalKey, GrSurfaceDesc,
                                     SkPixelRef* pixelRefForInvalidationNotificationOrNull,
                                     const void* pixels, size_t rowBytesOrZero);