Simplify/cleanup {postApply,apply}Resource signatures

Source/core/rendering/svg/RenderSVGResourceGradient.cpp

Index: Source/core/rendering/svg/RenderSVGResourceGradient.cpp
diff --git a/Source/core/rendering/svg/RenderSVGResourceGradient.cpp b/Source/core/rendering/svg/RenderSVGResourceGradient.cpp
index d6436cf7994e25ffd4c1377508dc7d17df78db40..d3a514b1aa7c8487dd03a1486719e5071853fc71 100644
--- a/Source/core/rendering/svg/RenderSVGResourceGradient.cpp
+++ b/Source/core/rendering/svg/RenderSVGResourceGradient.cpp
@@ -50,7 +50,7 @@ void RenderSVGResourceGradient::removeClientFromCache(RenderObject* client, bool
     markClientForInvalidation(client, markForInvalidation ? PaintInvalidation : ParentOnlyInvalidation);
 }
 
-bool RenderSVGResourceGradient::applyResource(RenderObject* object, RenderStyle* style, GraphicsContext*& context, unsigned short resourceMode)
+bool RenderSVGResourceGradient::applyResource(RenderObject* object, RenderStyle* style, GraphicsContext* context, RenderSVGResourceModeFlags resourceMode)
 {
     ASSERT(object);
     ASSERT(style);
@@ -127,7 +127,7 @@ bool RenderSVGResourceGradient::applyResource(RenderObject* object, RenderStyle*
     return true;
 }
 
-void RenderSVGResourceGradient::postApplyResource(RenderObject*, GraphicsContext*& context)
+void RenderSVGResourceGradient::postApplyResource(GraphicsContext* context)
 {
     ASSERT(context);
     context->restore();