Fix SkTileImageFilter clipping/cropRect interaction issue

src/effects/SkDisplacementMapEffect.cpp

Index: src/effects/SkDisplacementMapEffect.cpp
diff --git a/src/effects/SkDisplacementMapEffect.cpp b/src/effects/SkDisplacementMapEffect.cpp
index d7d92c82b9476487ed009011cb02e8f973064e79..0eac80ff8abf81fc812337405db3e0963cb65da9 100644
--- a/src/effects/SkDisplacementMapEffect.cpp
+++ b/src/effects/SkDisplacementMapEffect.cpp
@@ -269,7 +269,7 @@ void SkDisplacementMapEffect::computeFastBounds(const SkRect& src, SkRect* dst)
 }
 
 bool SkDisplacementMapEffect::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
-                                   SkIRect* dst) const {
+                                             SkIRect* dst) const {
     SkIRect bounds = src;
     SkVector scale = SkVector::Make(fScale, fScale);
     ctm.mapVectors(&scale, 1);
@@ -285,6 +285,7 @@ bool SkDisplacementMapEffect::onFilterBounds(const SkIRect& src, const SkMatrix&
 #ifndef SK_IGNORE_TO_STRING
 void SkDisplacementMapEffect::toString(SkString* str) const {
     str->appendf("SkDisplacementMapEffect: (");
+    this->getCropRect().toString(str);
     str->appendf("scale: %f ", fScale);
     str->appendf("displacement: (");
     if (this->getDisplacementInput()) {