Remove SrcRectConstraint from drawImageRect overloads with no src rect

Bug: skia:5679
Change-Id: I8658099707aab34b047d697b011e741da9019091
Reviewed-on: https://skia-review.googlesource.com/c/165525
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index 08ed025..e8fa60a 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -1723,11 +1723,10 @@
     this->drawImageRect(image, SkRect::Make(isrc), dst, paint, constraint);
 }
 
-void SkCanvas::drawImageRect(const SkImage* image, const SkRect& dst, const SkPaint* paint,
-                             SrcRectConstraint constraint) {
+void SkCanvas::drawImageRect(const SkImage* image, const SkRect& dst, const SkPaint* paint) {
     RETURN_ON_NULL(image);
     this->drawImageRect(image, SkRect::MakeIWH(image->width(), image->height()), dst, paint,
-                        constraint);
+                        kFast_SrcRectConstraint);
 }
 
 namespace {