Move viewport unit resolution to style recalc time

Source/core/rendering/svg/RenderSVGRoot.cpp

Index: Source/core/rendering/svg/RenderSVGRoot.cpp
diff --git a/Source/core/rendering/svg/RenderSVGRoot.cpp b/Source/core/rendering/svg/RenderSVGRoot.cpp
index 242406573d20bf86bf8f5ad03d5651a7b043488a..53f9b463e6b9f12c7434f41eafc79a5c0032e2ca 100644
--- a/Source/core/rendering/svg/RenderSVGRoot.cpp
+++ b/Source/core/rendering/svg/RenderSVGRoot.cpp
@@ -42,6 +42,7 @@
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGSVGElement.h"
 #include "core/svg/graphics/SVGImage.h"
+#include "platform/LengthFunctions.h"
 
 using namespace std;
 
@@ -82,9 +83,9 @@ void RenderSVGRoot::computeIntrinsicRatioInformation(FloatSize& intrinsicSize, d
     //   resolving both values to user units.
     if (intrinsicWidthAttribute.isFixed() || intrinsicHeightAttribute.isFixed()) {
         if (intrinsicWidthAttribute.isFixed())
-            intrinsicSize.setWidth(floatValueForLength(intrinsicWidthAttribute, 0, 0));
+            intrinsicSize.setWidth(floatValueForLength(intrinsicWidthAttribute, 0));
         if (intrinsicHeightAttribute.isFixed())
-            intrinsicSize.setHeight(floatValueForLength(intrinsicHeightAttribute, 0, 0));
+            intrinsicSize.setHeight(floatValueForLength(intrinsicHeightAttribute, 0));
         if (!intrinsicSize.isEmpty())
             intrinsicRatio = intrinsicSize.width() / static_cast<double>(intrinsicSize.height());
         return;
@@ -131,9 +132,9 @@ bool RenderSVGRoot::isEmbeddedThroughFrameContainingSVGDocument() const
     return frame->document()->isSVGDocument();
 }
 
-static inline LayoutUnit resolveLengthAttributeForSVG(const Length& length, float scale, float maxSize, RenderView* renderView)
+static inline LayoutUnit resolveLengthAttributeForSVG(const Length& length, float scale, float maxSize)
 {
-    return static_cast<LayoutUnit>(valueForLength(length, maxSize, renderView) * (length.isFixed() ? scale : 1));
+    return static_cast<LayoutUnit>(valueForLength(length, maxSize) * (length.isFixed() ? scale : 1));
 }
 
 LayoutUnit RenderSVGRoot::computeReplacedLogicalWidth(ShouldComputePreferred shouldComputePreferred) const
@@ -149,7 +150,7 @@ LayoutUnit RenderSVGRoot::computeReplacedLogicalWidth(ShouldComputePreferred sho
         return RenderReplaced::computeReplacedLogicalWidth(shouldComputePreferred);
 
     if (svg->widthAttributeEstablishesViewport())
-        return resolveLengthAttributeForSVG(svg->intrinsicWidth(SVGSVGElement::IgnoreCSSProperties), style()->effectiveZoom(), containingBlock()->availableLogicalWidth(), view());
+        return resolveLengthAttributeForSVG(svg->intrinsicWidth(SVGSVGElement::IgnoreCSSProperties), style()->effectiveZoom(), containingBlock()->availableLogicalWidth());
 
     // SVG embedded through object/embed/iframe.
     if (isEmbeddedThroughFrameContainingSVGDocument())
@@ -183,7 +184,7 @@ LayoutUnit RenderSVGRoot::computeReplacedLogicalHeight() const
         } else
             RenderBlock::removePercentHeightDescendant(const_cast<RenderSVGRoot*>(this));
 
-        return resolveLengthAttributeForSVG(height, style()->effectiveZoom(), containingBlock()->availableLogicalHeight(IncludeMarginBorderPadding), view());
+        return resolveLengthAttributeForSVG(height, style()->effectiveZoom(), containingBlock()->availableLogicalHeight(IncludeMarginBorderPadding));
     }
 
     // SVG embedded through object/embed/iframe.