new image from backend desc

src/image/SkImage.cpp

Index: src/image/SkImage.cpp
diff --git a/src/image/SkImage.cpp b/src/image/SkImage.cpp
index 494e21004acde43ac7e370da07765831d8d4910b..4efbc33c1526862016b8f115dc682919c9dd6751 100644
--- a/src/image/SkImage.cpp
+++ b/src/image/SkImage.cpp
@@ -169,4 +169,16 @@ SkImage* SkImage_Base::onNewImage(int newWidth, int newHeight, const SkIRect* su
     return surface->newImageSnapshot();
 }
 
+//////////////////////////////////////////////////////////////////////////////////////
 
+#if !SK_SUPPORT_GPU
+
+SkImage* SkImage::NewFromTexture(GrContext*, const GrBackendTextureDesc&, SkAlphaType) {
+    return NULL;
+}
+
+SkImage* SkImage::NewFromTextureCopy(GrContext*, const GrBackendTextureDesc&, SkAlphaType) {
+    return NULL;
+}
+
+#endif