Merge back LayoutLayerModelObject into RenderBoxModelObject

Source/core/layout/svg/LayoutSVGInlineText.cpp

Index: Source/core/layout/svg/LayoutSVGInlineText.cpp
diff --git a/Source/core/layout/svg/LayoutSVGInlineText.cpp b/Source/core/layout/svg/LayoutSVGInlineText.cpp
index 914b423d939be92bf19eae81558bb9116b64e581..93f61f1d9f6896fa8b31f7968428b783d0360a3b 100644
--- a/Source/core/layout/svg/LayoutSVGInlineText.cpp
+++ b/Source/core/layout/svg/LayoutSVGInlineText.cpp
@@ -234,7 +234,7 @@ void LayoutSVGInlineText::computeNewScaledFontForStyle(LayoutObject* renderer, c
     scaledFont.update(document.styleEngine()->fontSelector());
 }
 
-LayoutRect LayoutSVGInlineText::clippedOverflowRectForPaintInvalidation(const LayoutLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const
+LayoutRect LayoutSVGInlineText::clippedOverflowRectForPaintInvalidation(const RenderBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const
 {
     // FIXME: The following works because LayoutSVGBlock has forced slow rect mapping of the paintInvalidationState.
     // Should let this really work with paintInvalidationState's fast mapping and remove the assert.