new image from backend desc

src/image/SkImagePriv.h

Index: src/image/SkImagePriv.h
diff --git a/src/image/SkImagePriv.h b/src/image/SkImagePriv.h
index 1b2ae4f2845d3159e29f90c82d2dda5b1c1e67af..3a5c59a13e5b71b6a89cf9d0db61c764c43af1bb 100644
--- a/src/image/SkImagePriv.h
+++ b/src/image/SkImagePriv.h
@@ -38,11 +38,6 @@ static inline size_t SkImageMinRowBytes(const SkImageInfo& info) {
 // in which case the surface may need to perform a copy-on-write.
 extern const SkPixelRef* SkBitmapImageGetPixelRef(const SkImage* rasterImage);
 
-// Given an image created with NewTexture, return its GrTexture. This
-// may be called to see if the surface and the image share the same GrTexture,
-// in which case the surface may need to perform a copy-on-write.
-extern GrTexture* SkTextureImageGetTexture(SkImage* textureImage);
-
 // When a texture is shared by a surface and an image its budgeted status is that of the
 // surface. This function is used when the surface makes a new texture for itself in order
 // for the orphaned image to determine whether the original texture counts against the
@@ -54,7 +49,4 @@ extern void SkTextureImageApplyBudgetedDecision(SkImage* textureImage);
 // surface needs to perform a copy-on-write
 extern void SkTextureImageSetTexture(SkImage* image, GrTexture* texture);
 
-extern SkImage* SkNewImageFromBitmapTexture(const SkBitmap&, int sampleCountForNewSurfaces,
-                                            SkSurface::Budgeted);
-
 #endif