Move the msaa dirty rect to GrRenderTargetProxy

Bug: skia:
Change-Id: I01d7932bce23dffafb86e4eb124c27420acefdd3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/239192
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
diff --git a/src/gpu/GrTextureResolveRenderTask.h b/src/gpu/GrTextureResolveRenderTask.h
index 0a511c6..913f250 100644
--- a/src/gpu/GrTextureResolveRenderTask.h
+++ b/src/gpu/GrTextureResolveRenderTask.h
@@ -28,7 +28,7 @@
     }
     void gatherProxyIntervals(GrResourceAllocator*) const override;
 
-    ExpectedOutcome onMakeClosed(const GrCaps&) override {
+    ExpectedOutcome onMakeClosed(const GrCaps&, SkIRect*) override {
         return ExpectedOutcome::kTargetUnchanged;
     }
 
@@ -43,6 +43,7 @@
                 : fProxy(std::move(proxy)), fFlags(flags) {}
         sk_sp<GrSurfaceProxy> fProxy;
         GrSurfaceProxy::ResolveFlags fFlags;
+        SkIRect fMSAAResolveRect;
     };
 
     SkSTArray<4, Resolve> fResolves;