"NULL !=" = NULL

R=reed@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/544233002
diff --git a/src/gpu/GrAARectRenderer.cpp b/src/gpu/GrAARectRenderer.cpp
index 9384457..d19e26d 100644
--- a/src/gpu/GrAARectRenderer.cpp
+++ b/src/gpu/GrAARectRenderer.cpp
@@ -315,7 +315,7 @@
 
     if (NULL == fAAFillRectIndexBuffer) {
         fAAFillRectIndexBuffer = gpu->createIndexBuffer(kAAFillRectIndexBufferSize, false);
-        if (NULL != fAAFillRectIndexBuffer) {
+        if (fAAFillRectIndexBuffer) {
             uint16_t* data = (uint16_t*) fAAFillRectIndexBuffer->map();
             bool useTempData = (NULL == data);
             if (useTempData) {
@@ -428,7 +428,7 @@
         if (NULL == fAAMiterStrokeRectIndexBuffer) {
             fAAMiterStrokeRectIndexBuffer =
                 gpu->createIndexBuffer(sizeof(gMiterStrokeAARectIdx), false);
-            if (NULL != fAAMiterStrokeRectIndexBuffer) {
+            if (fAAMiterStrokeRectIndexBuffer) {
 #ifdef SK_DEBUG
                 bool updated =
 #endif
@@ -442,7 +442,7 @@
         if (NULL == fAABevelStrokeRectIndexBuffer) {
             fAABevelStrokeRectIndexBuffer =
                 gpu->createIndexBuffer(sizeof(gBevelStrokeAARectIdx), false);
-            if (NULL != fAABevelStrokeRectIndexBuffer) {
+            if (fAABevelStrokeRectIndexBuffer) {
 #ifdef SK_DEBUG
                 bool updated =
 #endif