Clean up SkOnce:

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 44 matching lines @@
 #include "SkPictureShader.h"
 #include "SkPixelXorXfermode.h"
 #include "SkRectShaderImageFilter.h"
 #include "SkStippleMaskFilter.h"
 #include "SkTableColorFilter.h"
 #include "SkTestImageFilters.h"
 #include "SkTileImageFilter.h"
 #include "SkMatrixImageFilter.h"
 #include "SkXfermodeImageFilter.h"
 
-static void InitializeFlattenables(int*) {
+static void InitializeFlattenables() {
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkAvoidXfermode)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBicubicImageFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBitmapProcShader)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBitmapSource)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurDrawLooper)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurImageFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkColorMatrixFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkColorShader)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkComposePathEffect)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkComposeShader)
@@ skipping 39 matching lines @@
     SkBlurMaskFilter::InitializeFlattenables();
     SkColorFilter::InitializeFlattenables();
     SkGradientShader::InitializeFlattenables();
     SkImages::InitializeFlattenables();
     SkLightingImageFilter::InitializeFlattenables();
     SkTableColorFilter::InitializeFlattenables();
     SkXfermode::InitializeFlattenables();
 }
 
 void SkFlattenable::InitializeFlattenablesIfNeeded() {
-    int dummy;
     SK_DECLARE_STATIC_ONCE(once);
-    SkOnce(&once, InitializeFlattenables, &dummy);
+    SkOnce(&once, InitializeFlattenables);
 }