Style Change: NULL->nullptr

src/gpu/glsl/GrGLSL.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLSL_DEFINED
 #define GrGLSL_DEFINED
 
@@ skipping 117 matching lines @@
         } else {
             fType = kFullExpr_ExprType;
             fExpr.appendf(Self::CastIntStr(), v);
         }
     }
 
     /** Constructs an expression from a string.
      * Argument expr is a simple expression or a parenthesized expression. */
     // TODO: make explicit once effects input Exprs.
     GrGLSLExpr(const char expr[]) {
-        if (NULL == expr) {  // TODO: remove this once effects input Exprs.
+        if (nullptr == expr) {  // TODO: remove this once effects input Exprs.
             fType = kOnes_ExprType;
         } else {
             fType = kFullExpr_ExprType;
             fExpr = expr;
         }
         SkASSERT(this->isValid());
     }
 
     /** Constructs an expression from a string.
      * Argument expr is a simple expression or a parenthesized expression. */
@@ skipping 168 matching lines @@
 
 /**
  * Does an inplace mul, *=, of vec4VarName by mulFactor.
  * A semicolon is added after the assignment.
  */
 void GrGLSLMulVarBy4f(SkString* outAppend, const char* vec4VarName, const GrGLSLExpr4& mulFactor);
 
 #include "GrGLSL_impl.h"
 
 #endif