Make user-select:none not to affect editability

LayoutTests/editing/selection/4866671-expected.txt

Index: LayoutTests/editing/selection/4866671-expected.txt
diff --git a/LayoutTests/editing/selection/4866671-expected.txt b/LayoutTests/editing/selection/4866671-expected.txt
deleted file mode 100644
index 97a62771121d4a03a14cf807c6c6f9c481513cec..0000000000000000000000000000000000000000
--- a/LayoutTests/editing/selection/4866671-expected.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-layer at (0,0) size 800x600
-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  RenderBlock {HTML} at (0,0) size 800x600
-    RenderBody {BODY} at (8,8) size 784x584
-      RenderBlock {P} at (0,0) size 784x18
-        RenderText {#text} at (0,0) size 612x18
-          text run at (0,0) width 432: "This tests caret movement through -webkit-user-select:none content. "
-          text run at (432,0) width 180: "The caret should move over "
-        RenderInline {B} at (0,0) size 24x18
-          RenderText {#text} at (612,0) size 24x18
-            text run at (612,0) width 24: "yyy"
-        RenderText {#text} at (636,0) size 4x18
-          text run at (636,0) width 4: "."
-      RenderBlock {DIV} at (0,34) size 784x18
-        RenderText {#text} at (0,0) size 8x18
-          text run at (0,0) width 8: "x"
-        RenderInline {SPAN} at (0,0) size 24x18
-          RenderText {#text} at (8,0) size 24x18
-            text run at (8,0) width 24: "yyy"
-        RenderText {#text} at (32,0) size 8x18
-          text run at (32,0) width 8: "x"
-caret: position 0 of child 2 {#text} of child 2 {DIV} of body