Revert "Implement support for expanding crop rects in image filters"

src/effects/SkRectShaderImageFilter.cpp

Index: src/effects/SkRectShaderImageFilter.cpp
diff --git a/src/effects/SkRectShaderImageFilter.cpp b/src/effects/SkRectShaderImageFilter.cpp
index 13e59c2c278177178a514dc77d3a19e8689b7d0f..dad0e02525ea913ed29f568e989b17fbf2e1e319 100644
--- a/src/effects/SkRectShaderImageFilter.cpp
+++ b/src/effects/SkRectShaderImageFilter.cpp
@@ -56,7 +56,8 @@ bool SkRectShaderImageFilter::onFilterImage(Proxy* proxy,
                                             SkBitmap* result,
                                             SkIPoint* offset) const {
     SkIRect bounds;
-    if (!this->applyCropRect(ctx, source, SkIPoint::Make(0, 0), &bounds)) {
+    source.getBounds(&bounds);
+    if (!this->applyCropRect(&bounds, ctx.ctm())) {
         return false;
     }