Have const StyleResolverState return const RenderStyle

Source/core/css/CSSToStyleMap.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 23 matching lines @@
 #include "core/css/CSSPrimitiveValueMappings.h"
 #include "core/css/CSSTimingFunctionValue.h"
 #include "core/css/Pair.h"
 #include "core/css/Rect.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/platform/animation/CSSAnimationData.h"
 #include "core/rendering/style/FillLayer.h"
 
 namespace WebCore {
 
-RenderStyle* CSSToStyleMap::style() const
+const RenderStyle* CSSToStyleMap::style() const
 {
     return m_state.style();
 }
     
-RenderStyle* CSSToStyleMap::rootElementStyle() const
+const RenderStyle* CSSToStyleMap::rootElementStyle() const
 {
     return m_state.rootElementStyle();
 }
 
 bool CSSToStyleMap::useSVGZoomRules() const
 {
     return m_state.useSVGZoomRules();
 }
     
 PassRefPtr<StyleImage> CSSToStyleMap::styleImage(CSSPropertyID propertyId, CSSValue* value)
@@ skipping 436 matching lines @@
     if (value->isCubicBezierTimingFunctionValue()) {
         CSSCubicBezierTimingFunctionValue* cubicTimingFunction = static_cast<CSSCubicBezierTimingFunctionValue*>(value);
         animation->setTimingFunction(CubicBezierTimingFunction::create(cubicTimingFunction->x1(), cubicTimingFunction->y1(), cubicTimingFunction->x2(), cubicTimingFunction->y2()));
     } else if (value->isStepsTimingFunctionValue()) {
         CSSStepsTimingFunctionValue* stepsTimingFunction = static_cast<CSSStepsTimingFunctionValue*>(value);
         animation->setTimingFunction(StepsTimingFunction::create(stepsTimingFunction->numberOfSteps(), stepsTimingFunction->stepAtStart()));
     } else if (value->isLinearTimingFunctionValue())
         animation->setTimingFunction(LinearTimingFunction::create());
 }
 
-void CSSToStyleMap::mapNinePieceImage(CSSPropertyID property, CSSValue* value, NinePieceImage& image)
+void CSSToStyleMap::mapNinePieceImage(RenderStyle* mutableStyle, CSSPropertyID property, CSSValue* value, NinePieceImage& image)
 {
     // If we're not a value list, then we are "none" and don't need to alter the empty image at all.
     if (!value || !value->isValueList())
         return;
 
     // Retrieve the border image value.
     CSSValueList* borderImage = toCSSValueList(value);
 
     // Set the image (this kicks off the load).
     CSSPropertyID imageProperty;
@@ skipping 28 matching lines @@
             // Set the appropriate rules for stretch/round/repeat of the slices.
             mapNinePieceImageRepeat(current, image);
         }
     }
 
     if (property == CSSPropertyWebkitBorderImage) {
         // We have to preserve the legacy behavior of -webkit-border-image and make the border slices
         // also set the border widths. We don't need to worry about percentages, since we don't even support
         // those on real borders yet.
         if (image.borderSlices().top().isFixed())
-            style()->setBorderTopWidth(image.borderSlices().top().value());
+            mutableStyle->setBorderTopWidth(image.borderSlices().top().value());
         if (image.borderSlices().right().isFixed())
-            style()->setBorderRightWidth(image.borderSlices().right().value());
+            mutableStyle->setBorderRightWidth(image.borderSlices().right().value());
         if (image.borderSlices().bottom().isFixed())
-            style()->setBorderBottomWidth(image.borderSlices().bottom().value());
+            mutableStyle->setBorderBottomWidth(image.borderSlices().bottom().value());
         if (image.borderSlices().left().isFixed())
-            style()->setBorderLeftWidth(image.borderSlices().left().value());
+            mutableStyle->setBorderLeftWidth(image.borderSlices().left().value());
     }
 }
 
 void CSSToStyleMap::mapNinePieceImageSlice(CSSValue* value, NinePieceImage& image) const
 {
     if (!value || !value->isBorderImageSliceValue())
         return;
 
     // Retrieve the border image value.
     CSSBorderImageSliceValue* borderImageSlice = static_cast<CSSBorderImageSliceValue*>(value);
@@ skipping 110 matching lines @@
         verticalRule = SpaceImageRule;
         break;
     default: // CSSValueRepeat
         verticalRule = RepeatImageRule;
         break;
     }
     image.setVerticalRule(verticalRule);
 }
 
 };