Remove unused dstColorSpace from getROPixels

Bug: skia:
Change-Id: Id5f03f2c82706f5f82c24ff735805c85ad0b069d
Reviewed-on: https://skia-review.googlesource.com/c/163883
Commit-Queue: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
diff --git a/src/image/SkImage_Lazy.h b/src/image/SkImage_Lazy.h
index 5c30ee3..739b5b5 100644
--- a/src/image/SkImage_Lazy.h
+++ b/src/image/SkImage_Lazy.h
@@ -54,7 +54,7 @@
 #endif
     sk_sp<SkData> onRefEncoded() const override;
     sk_sp<SkImage> onMakeSubset(const SkIRect&) const override;
-    bool getROPixels(SkBitmap*, SkColorSpace* dstColorSpace, CachingHint) const override;
+    bool getROPixels(SkBitmap*, CachingHint) const override;
     bool onIsLazyGenerated() const override { return true; }
     sk_sp<SkImage> onMakeColorSpace(sk_sp<SkColorSpace>) const override;