Style Change: NULL->nullptr

src/gpu/gl/GrGLVertexArray.cpp

Index: src/gpu/gl/GrGLVertexArray.cpp
diff --git a/src/gpu/gl/GrGLVertexArray.cpp b/src/gpu/gl/GrGLVertexArray.cpp
index 265b5b35ea6964034882a89e9a714747f633c67e..8cfa8d655050fa5b69e453970c035e6af7d534fe 100644
--- a/src/gpu/gl/GrGLVertexArray.cpp
+++ b/src/gpu/gl/GrGLVertexArray.cpp
@@ -75,7 +75,7 @@ GrGLVertexArray::GrGLVertexArray(GrGLint id, int attribCount)
 
 GrGLAttribArrayState* GrGLVertexArray::bind(GrGLGpu* gpu) {
     if (0 == fID) {
-        return NULL;
+        return nullptr;
     }
     gpu->bindVertexArray(fID);
     return &fAttribArrays;