[Layout API] Use Document::layoutViewItem() in ViewportStyleResolver

third_party/WebKit/Source/core/css/CSSGradientValue.cpp

 /*
  * Copyright (C) 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2015 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 15 matching lines @@
 
 #include "core/css/CSSGradientValue.h"
 
 #include "core/CSSValueKeywords.h"
 #include "core/css/CSSCalculationValue.h"
 #include "core/css/CSSToLengthConversionData.h"
 #include "core/css/CSSValuePair.h"
 #include "core/dom/NodeComputedStyle.h"
 #include "core/dom/TextLinkColors.h"
 #include "core/layout/LayoutObject.h"
+#include "core/layout/api/LayoutViewItem.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/Gradient.h"
 #include "platform/graphics/GradientGeneratedImage.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/skia/SkiaUtils.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/WTFString.h"
 #include <algorithm>
 #include <utility>
 
@@ skipping 18 matching lines @@
         // Need to look up our size.  Create a string of width*height to use as a hash key.
         Image* result = getImage(&layoutObject, size);
         if (result)
             return result;
     }
 
     // We need to create an image.
     RefPtr<Gradient> gradient;
 
     const ComputedStyle* rootStyle = layoutObject.document().documentElement()->computedStyle();
-    CSSToLengthConversionData conversionData(layoutObject.style(), rootStyle, layoutObject.view(), layoutObject.style()->effectiveZoom());
+    CSSToLengthConversionData conversionData(layoutObject.style(), rootStyle, LayoutViewItem(layoutObject.view()), layoutObject.style()->effectiveZoom());
     if (isLinearGradientValue())
         gradient = toCSSLinearGradientValue(this)->createGradient(conversionData, size, layoutObject);
     else
         gradient = toCSSRadialGradientValue(this)->createGradient(conversionData, size, layoutObject);
 
     RefPtr<Image> newImage = GradientGeneratedImage::create(gradient, size);
     if (cacheable)
         putImage(size, newImage);
 
     return newImage.release();
@@ skipping 1136 matching lines @@
     visitor->trace(m_firstRadius);
     visitor->trace(m_secondRadius);
     visitor->trace(m_shape);
     visitor->trace(m_sizingBehavior);
     visitor->trace(m_endHorizontalSize);
     visitor->trace(m_endVerticalSize);
     CSSGradientValue::traceAfterDispatch(visitor);
 }
 
 } // namespace blink