"NULL !=" = NULL

R=reed@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/544233002
diff --git a/src/gpu/gl/GrGpuGL.h b/src/gpu/gl/GrGpuGL.h
index 004ce25..2859b43 100644
--- a/src/gpu/gl/GrGpuGL.h
+++ b/src/gpu/gl/GrGpuGL.h
@@ -314,7 +314,7 @@
             fDefaultVertexArrayBoundIndexBufferID = false;
             fDefaultVertexArrayBoundIndexBufferIDIsValid = false;
             fDefaultVertexArrayAttribState.invalidate();
-            if (NULL != fVBOVertexArray) {
+            if (fVBOVertexArray) {
                 fVBOVertexArray->invalidateCachedState();
             }
         }
@@ -342,7 +342,7 @@
             if (fBoundVertexBufferIDIsValid && id == fBoundVertexBufferID) {
                 fBoundVertexBufferID = 0;
             }
-            if (NULL != fVBOVertexArray) {
+            if (fVBOVertexArray) {
                 fVBOVertexArray->notifyVertexBufferDelete(id);
             }
             fDefaultVertexArrayAttribState.notifyVertexBufferDelete(id);
@@ -353,7 +353,7 @@
                 id == fDefaultVertexArrayBoundIndexBufferID) {
                 fDefaultVertexArrayBoundIndexBufferID = 0;
             }
-            if (NULL != fVBOVertexArray) {
+            if (fVBOVertexArray) {
                 fVBOVertexArray->notifyIndexBufferDelete(id);
             }
         }