Style Change: NULL->nullptr

src/gpu/gl/debug/SkDebugGLContext.h

Index: src/gpu/gl/debug/SkDebugGLContext.h
diff --git a/src/gpu/gl/debug/SkDebugGLContext.h b/src/gpu/gl/debug/SkDebugGLContext.h
index 0a61f72cb2070947eb34f069f2230e0d34460146..abbcf559c58af39bfd7678bb3a64874b437e0a3f 100644
--- a/src/gpu/gl/debug/SkDebugGLContext.h
+++ b/src/gpu/gl/debug/SkDebugGLContext.h
@@ -16,14 +16,14 @@ public:
 
     static SkDebugGLContext* Create(GrGLStandard forcedGpuAPI) {
         if (kGLES_GrGLStandard == forcedGpuAPI) {
-            return NULL;
+            return nullptr;
         }
         return new SkDebugGLContext;
     }
 private:
     void onPlatformMakeCurrent() const override {}
     void onPlatformSwapBuffers() const override {}
-    GrGLFuncPtr onPlatformGetProcAddress(const char*) const override { return NULL; }
+    GrGLFuncPtr onPlatformGetProcAddress(const char*) const override { return nullptr; }
 
     SkDebugGLContext();
 };