namespace {} trick for SK_DECLARE_STATIC_ONCE

src/ports/SkGlobalInitialization_chromium.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTypes.h"
 
 #include "SkBitmapProcShader.h"
@@ skipping 102 matching lines @@
         SkArithmeticMode::InitializeFlattenables();
         SkBlurMaskFilter::InitializeFlattenables();
         SkColorFilter::InitializeFlattenables();
         SkGradientShader::InitializeFlattenables();
         SkLightingImageFilter::InitializeFlattenables();
         SkTableColorFilter::InitializeFlattenables();
         SkXfermode::InitializeFlattenables();
     }
 };
 
+SK_DECLARE_STATIC_ONCE(once);
 void SkFlattenable::InitializeFlattenablesIfNeeded() {
-    SK_DECLARE_STATIC_ONCE(once);
     SkOnce(&once, SkPrivateEffectInitializer::Init);
 }