"NULL !=" = NULL

R=reed@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/544233002
diff --git a/src/effects/gradients/SkTwoPointRadialGradient.cpp b/src/effects/gradients/SkTwoPointRadialGradient.cpp
index bb5ec04..75b1e79 100644
--- a/src/effects/gradients/SkTwoPointRadialGradient.cpp
+++ b/src/effects/gradients/SkTwoPointRadialGradient.cpp
@@ -687,7 +687,7 @@
 bool SkTwoPointRadialGradient::asNewEffect(GrContext* context, const SkPaint& paint,
                                            const SkMatrix* localMatrix, GrColor* paintColor,
                                            GrEffect** effect)  const {
-    SkASSERT(NULL != context);
+    SkASSERT(context);
     
     // invert the localM, translate to center1 (fPtsToUni), rotate so center2 is on x axis.
     SkMatrix matrix;