Use w3c test harness in editing/selection/vertical-*.html tests 1/3

third_party/WebKit/LayoutTests/platform/mac/editing/selection/vertical-rl-ltr-extend-line-backward-br-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/editing/selection/vertical-rl-ltr-extend-line-backward-br-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/editing/selection/vertical-rl-ltr-extend-line-backward-br-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/editing/selection/vertical-rl-ltr-extend-line-backward-br-expected.txt
deleted file mode 100644
index 65419919d242867e5c8fd8b6ecf1f9fd101f7a17..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/platform/mac/editing/selection/vertical-rl-ltr-extend-line-backward-br-expected.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-layer at (0,0) size 800x600
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x282
-  LayoutBlockFlow {HTML} at (0,0) size 800x282.39
-    LayoutBlockFlow {BODY} at (8,16) size 784x253.39
-      LayoutBlockFlow {P} at (0,0) size 784x22
-        LayoutText {#text} at (0,3) size 702x18
-          text run at (0,3) width 702: "This tests horizontal caret movement in vertical writing mode. \"\x{3042}\x{308B}\x{3002}\" and \"\x{540D}\x{524D}\x{306F}\x{307E}\x{3060}\" must be selected."
-      LayoutBlockFlow {DIV} at (0,38) size 76x215.39
-        LayoutBlockFlow {P} at (16,0) size 44x215.39
-          LayoutText {#text} at (2,0) size 18x128
-            text run at (2,0) width 128: "\x{543E}\x{8F29}\x{306F}\x{732B}\x{3067}\x{3042}\x{308B}\x{3002}"
-          LayoutBR {BR} at (2,128) size 18x0
-          LayoutText {#text} at (24,0) size 18x128
-            text run at (24,0) width 128: "\x{540D}\x{524D}\x{306F}\x{307E}\x{3060}\x{7121}\x{3044}\x{3002}"
-      LayoutBlockFlow {PRE} at (0,266.39) size 784x0
-selection start: position 5 of child 0 {#text} of child 1 {P} of child 3 {DIV} of body
-selection end:   position 5 of child 2 {#text} of child 1 {P} of child 3 {DIV} of body