gpu: Update GrGLCaps usage of fTextureRectangle with chromium.

R=bsalomon@google.com

Bug:900706
Change-Id: I0ca0062f12f905c47e9f096acf675b93f131e390
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/234990
Commit-Queue: Khushal Sagar <khushalsagar@chromium.org>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/effects/GrTextureDomain.cpp b/src/gpu/effects/GrTextureDomain.cpp
index 65411f1..40b5559 100644
--- a/src/gpu/effects/GrTextureDomain.cpp
+++ b/src/gpu/effects/GrTextureDomain.cpp
@@ -220,9 +220,9 @@
         };
 
         if (proxy->textureType() == GrTextureType::kRectangle) {
-            SkASSERT(values[0] >= 0.0f && values[0] <= proxy->height());
+            SkASSERT(values[0] >= 0.0f && values[0] <= proxy->width());
             SkASSERT(values[1] >= 0.0f && values[1] <= proxy->height());
-            SkASSERT(values[2] >= 0.0f && values[2] <= proxy->height());
+            SkASSERT(values[2] >= 0.0f && values[2] <= proxy->width());
             SkASSERT(values[3] >= 0.0f && values[3] <= proxy->height());
         } else {
             SkASSERT(values[0] >= 0.0f && values[0] <= 1.0f);