Convert SkLayerDrawLooper::addLayerOnTop calls to use addLayer instead

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "modules/canvas2d/CanvasRenderingContext2DState.h"
 
 #include "core/css/CSSFontSelector.h"
 #include "core/css/resolver/FilterOperationResolver.h"
@@ skipping 369 matching lines @@
         drawLooperBuilder->addShadow(m_shadowOffset, m_shadowBlur, m_shadowColor, DrawLooperBuilder::ShadowIgnoresTransforms, DrawLooperBuilder::ShadowRespectsAlpha);
         m_shadowOnlyDrawLooper = drawLooperBuilder->detachDrawLooper();
     }
     return m_shadowOnlyDrawLooper.get();
 }
 
 SkDrawLooper* CanvasRenderingContext2DState::shadowAndForegroundDrawLooper() const
 {
     if (!m_shadowAndForegroundDrawLooper) {
         OwnPtr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
+        drawLooperBuilder->addUnmodifiedContent();
         drawLooperBuilder->addShadow(m_shadowOffset, m_shadowBlur, m_shadowColor, DrawLooperBuilder::ShadowIgnoresTransforms, DrawLooperBuilder::ShadowRespectsAlpha);
-        drawLooperBuilder->addUnmodifiedContent();
         m_shadowAndForegroundDrawLooper = drawLooperBuilder->detachDrawLooper();
     }
     return m_shadowAndForegroundDrawLooper.get();
 }
 
 SkImageFilter* CanvasRenderingContext2DState::shadowOnlyImageFilter() const
 {
     if (!m_shadowOnlyImageFilter) {
         float sigma = skBlurRadiusToSigma(m_shadowBlur);
         m_shadowOnlyImageFilter = adoptRef(SkDropShadowImageFilter::Create(m_shadowOffset.width(), m_shadowOffset.height(), sigma, sigma, m_shadowColor, SkDropShadowImageFilter::kDrawShadowOnly_ShadowMode));
@@ skipping 131 matching lines @@
         paint->setLooper(0);
         paint->setImageFilter(shadowAndForegroundImageFilter());
         return paint;
     }
     paint->setLooper(shadowAndForegroundDrawLooper());
     paint->setImageFilter(0);
     return paint;
 }
 
 } // blink