Rename GrDrawOp::xpRequiresDstTexture to finalize and change return type to an enum

Bug: skia:
Change-Id: I0f9d9d3ef1dd20821f171f7d6237491921fbbd97
Reviewed-on: https://skia-review.googlesource.com/20142
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/ops/GrNonAAFillRectOp.cpp b/src/gpu/ops/GrNonAAFillRectOp.cpp
index 2fd44f8..c971e2f 100644
--- a/src/gpu/ops/GrNonAAFillRectOp.cpp
+++ b/src/gpu/ops/GrNonAAFillRectOp.cpp
@@ -154,7 +154,7 @@
         return str;
     }
 
-    bool xpRequiresDstTexture(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
         GrColor* color = &fRects.front().fColor;
         return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone, color);
     }
@@ -272,7 +272,7 @@
         return str;
     }
 
-    bool xpRequiresDstTexture(const GrCaps& caps, const GrAppliedClip* clip) override {
+    RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
         GrColor* color = &fRects.front().fColor;
         return fHelper.xpRequiresDstTexture(caps, clip, GrProcessorAnalysisCoverage::kNone, color);
     }