Creating functions for uploading a mipmapped texture.

src/gpu/SkGrPixelRef.cpp

Index: src/gpu/SkGrPixelRef.cpp
diff --git a/src/gpu/SkGrPixelRef.cpp b/src/gpu/SkGrPixelRef.cpp
index 6e014feded1faba16afb4b0607349857a6172ce0..0789f0994d9acc9da8ae406ea0e58cc5bfb38b73 100644
--- a/src/gpu/SkGrPixelRef.cpp
+++ b/src/gpu/SkGrPixelRef.cpp
@@ -76,6 +76,7 @@ static SkGrPixelRef* copy_to_new_texture_pixelref(GrTexture* texture, SkColorTyp
     }
     desc.fFlags = kRenderTarget_GrSurfaceFlag;
     desc.fConfig = SkImageInfo2GrPixelConfig(dstCT, kPremul_SkAlphaType, dstPT);
+    desc.fIsMipMapped = false;
 
     GrTexture* dst = context->textureProvider()->createTexture(desc, false, nullptr, 0);
     if (nullptr == dst) {
@@ -123,13 +124,6 @@ GrTexture* SkGrPixelRef::getTexture() {
     return nullptr;
 }
 
-void SkGrPixelRef::onNotifyPixelsChanged() {
-    GrTexture* texture = this->getTexture();
-    if (texture) {
-        texture->texturePriv().dirtyMipMaps(true);
-    }
-}
-
 SkPixelRef* SkGrPixelRef::deepCopy(SkColorType dstCT, SkColorProfileType dstPT,
                                    const SkIRect* subset) {
     if (nullptr == fSurface) {