Make RenderObject::style() return a const object

Source/core/paint/SVGInlineTextBoxPainter.cpp

Index: Source/core/paint/SVGInlineTextBoxPainter.cpp
diff --git a/Source/core/paint/SVGInlineTextBoxPainter.cpp b/Source/core/paint/SVGInlineTextBoxPainter.cpp
index ddd51c06f2840959f1c8fb6e5d4da1ad9f3dc941..46ff853ecbace852cd9585d49f0c27b476a48e24 100644
--- a/Source/core/paint/SVGInlineTextBoxPainter.cpp
+++ b/Source/core/paint/SVGInlineTextBoxPainter.cpp
@@ -56,7 +56,7 @@ void SVGInlineTextBoxPainter::paint(const PaintInfo& paintInfo, const LayoutPoin
         return;
 
     RenderObject& parentRenderer = m_svgInlineTextBox.parent()->renderer();
-    RenderStyle* style = parentRenderer.style();
+    const RenderStyle* style = parentRenderer.style();
     ASSERT(style);
 
     InlineTextBoxPainter(m_svgInlineTextBox).paintDocumentMarkers(
@@ -75,13 +75,13 @@ void SVGInlineTextBoxPainter::paint(const PaintInfo& paintInfo, const LayoutPoin
 
 void SVGInlineTextBoxPainter::paintTextFragments(const PaintInfo& paintInfo, RenderObject& parentRenderer)
 {
-    RenderStyle* style = parentRenderer.style();
+    const RenderStyle* style = parentRenderer.style();
     const SVGRenderStyle& svgStyle = style->svgStyle();
 
     bool hasFill = svgStyle.hasFill();
     bool hasVisibleStroke = svgStyle.hasVisibleStroke();
 
-    RenderStyle* selectionStyle = style;
+    const RenderStyle* selectionStyle = style;
     bool shouldPaintSelection = this->shouldPaintSelection();
     if (shouldPaintSelection) {
         selectionStyle = parentRenderer.getCachedPseudoStyle(SELECTION);
@@ -164,7 +164,7 @@ void SVGInlineTextBoxPainter::paintSelectionBackground(const PaintInfo& paintInf
     if (!textShouldBePainted(textRenderer))
         return;
 
-    RenderStyle* style = m_svgInlineTextBox.parent()->renderer().style();
+    const RenderStyle* style = m_svgInlineTextBox.parent()->renderer().style();
     ASSERT(style);
 
     int startPosition, endPosition;
@@ -242,7 +242,7 @@ void SVGInlineTextBoxPainter::paintDecoration(const PaintInfo& paintInfo, TextDe
 
     // Find out which render style defined the text-decoration, as its fill/stroke properties have to be used for drawing instead of ours.
     RenderObject* decorationRenderer = findRenderObjectDefininingTextDecoration(m_svgInlineTextBox.parent());
-    RenderStyle* decorationStyle = decorationRenderer->style();
+    const RenderStyle* decorationStyle = decorationRenderer->style();
     ASSERT(decorationStyle);
 
     if (decorationStyle->visibility() == HIDDEN)
@@ -292,7 +292,7 @@ void SVGInlineTextBoxPainter::paintDecoration(const PaintInfo& paintInfo, TextDe
     }
 }
 
-void SVGInlineTextBoxPainter::paintTextWithShadows(const PaintInfo& paintInfo, RenderStyle* style,
+void SVGInlineTextBoxPainter::paintTextWithShadows(const PaintInfo& paintInfo, const RenderStyle* style,
     TextRun& textRun, const SVGTextFragment& fragment, int startPosition, int endPosition,
     RenderSVGResourceMode resourceMode)
 {
@@ -350,8 +350,8 @@ void SVGInlineTextBoxPainter::paintTextWithShadows(const PaintInfo& paintInfo, R
     scaledFont.drawText(context, textRunPaintInfo, textOrigin);
 }
 
-void SVGInlineTextBoxPainter::paintText(const PaintInfo& paintInfo, RenderStyle* style,
-    RenderStyle* selectionStyle, const SVGTextFragment& fragment,
+void SVGInlineTextBoxPainter::paintText(const PaintInfo& paintInfo, const RenderStyle* style,
+    const RenderStyle* selectionStyle, const SVGTextFragment& fragment,
     RenderSVGResourceMode resourceMode, bool shouldPaintSelection)
 {
     ASSERT(style);
@@ -396,7 +396,7 @@ void SVGInlineTextBoxPainter::paintText(const PaintInfo& paintInfo, RenderStyle*
         paintTextWithShadows(paintInfo, style, textRun, fragment, endPosition, fragment.length, resourceMode);
 }
 
-void SVGInlineTextBoxPainter::paintTextMatchMarker(GraphicsContext* context, const FloatPoint&, DocumentMarker* marker, RenderStyle* style, const Font& font)
+void SVGInlineTextBoxPainter::paintTextMatchMarker(GraphicsContext* context, const FloatPoint&, DocumentMarker* marker, const RenderStyle* style, const Font& font)
 {
     // SVG is only interested in the TextMatch markers.
     if (marker->type() != DocumentMarker::TextMatch)