Move rendering/RenderLayer* to layout/

Source/core/rendering/ClipRectsCache.h

Index: Source/core/rendering/ClipRectsCache.h
diff --git a/Source/core/rendering/ClipRectsCache.h b/Source/core/rendering/ClipRectsCache.h
index fbba0ec056d4f3c25d755677dab18105e8a308d9..73b4b5c81066d559d3e484e08cc9dc00ba43bc1b 100644
--- a/Source/core/rendering/ClipRectsCache.h
+++ b/Source/core/rendering/ClipRectsCache.h
@@ -13,7 +13,7 @@
 
 namespace blink {
 
-class RenderLayer;
+class Layer;
 
 enum ClipRectsCacheSlot {
     // Relative to the ancestor treated as the root (e.g. transformed layer). Used for hit testing.
@@ -42,7 +42,7 @@ public:
         {
         }
 
-        const RenderLayer* root;
+        const Layer* root;
         RefPtr<ClipRects> clipRects;
 #if ENABLE(ASSERT)
         OverlayScrollbarSizeRelevancy scrollbarRelevancy;