Fix alpha threshold GM to test with and without crop rect

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2864

Change-Id: I09f24303b2a693a384fb7399c2287ab476f16319
Reviewed-on: https://skia-review.googlesource.com/2864
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/gm/imagealphathreshold.cpp b/gm/imagealphathreshold.cpp
index 2b65202c10..97524cea8e 100644
--- a/gm/imagealphathreshold.cpp
+++ b/gm/imagealphathreshold.cpp
@@ -45,7 +45,7 @@ namespace skiagm {
 
 class ImageAlphaThresholdGM : public GM {
 public:
-    ImageAlphaThresholdGM(bool useCropRect) : fUseCropRect(true) { 
+    ImageAlphaThresholdGM(bool useCropRect) : fUseCropRect(useCropRect) {
         this->setBGColor(0xFFFFFFFF);
     }