Consolidate on SkImage_Gpu constructor that takes SkColorInfo.

Also take SkImageInfo in SkImage_GpuBase.

Change-Id: Ie6d71a9a4a3740b9acc0faae72df2796e9a0e567
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/398230
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/image/SkImage_GpuBase.h b/src/image/SkImage_GpuBase.h
index 05c2123..1392dde 100644
--- a/src/image/SkImage_GpuBase.h
+++ b/src/image/SkImage_GpuBase.h
@@ -53,8 +53,7 @@
                                                            sk_sp<GrRefCntedCallback> releaseHelper);
 
 protected:
-    SkImage_GpuBase(sk_sp<GrImageContext>, SkISize size, uint32_t uniqueID, SkColorType,
-                    SkAlphaType, sk_sp<SkColorSpace>);
+    SkImage_GpuBase(sk_sp<GrImageContext>, SkImageInfo, uint32_t uniqueID);
 
     sk_sp<GrImageContext> fContext;