Flush some non-substantive Ganesh changes

Split out of: https://codereview.chromium.org/2215323003/ (Start using RenderTargetProxy (omnibus))

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2299523004

Review-Url: https://codereview.chromium.org/2299523004
diff --git a/include/gpu/GrSurface.h b/include/gpu/GrSurface.h
index 24e2dfc..ac5c5fa 100644
--- a/include/gpu/GrSurface.h
+++ b/include/gpu/GrSurface.h
@@ -33,8 +33,7 @@
     /**
      * Helper that gets the width and height of the surface as a bounding rectangle.
      */
-    void getBoundsRect(SkRect* rect) const { rect->setWH(SkIntToScalar(this->width()),
-                                                         SkIntToScalar(this->height())); }
+    SkRect getBoundsRect() const { return SkRect::MakeIWH(this->width(), this->height()); }
 
     GrSurfaceOrigin origin() const {
         SkASSERT(kTopLeft_GrSurfaceOrigin == fDesc.fOrigin || kBottomLeft_GrSurfaceOrigin == fDesc.fOrigin);