Remove unused outOffset param in GrTextureAdjuster

Bug: skia:
Change-Id: Ifb5ee9d2d80badf082cf1888d2289fea6344c0e9
Reviewed-on: https://skia-review.googlesource.com/53400
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/src/image/SkImage_Gpu.cpp b/src/image/SkImage_Gpu.cpp
index 356b800..0ff288c 100644
--- a/src/image/SkImage_Gpu.cpp
+++ b/src/image/SkImage_Gpu.cpp
@@ -125,7 +125,7 @@
 
     GrTextureAdjuster adjuster(fContext, fProxy, this->alphaType(), this->bounds(),
                                this->uniqueID(), this->fColorSpace.get());
-    return adjuster.refTextureProxySafeForParams(params, nullptr, scaleAdjust);
+    return adjuster.refTextureProxySafeForParams(params, scaleAdjust);
 }
 
 static void apply_premul(const SkImageInfo& info, void* pixels, size_t rowBytes) {