Remove -webkit-line-box-contain implementation.

LayoutTests/platform/linux/fast/block/lineboxcontain/block-with-ideographs-expected.txt

Index: LayoutTests/platform/linux/fast/block/lineboxcontain/block-with-ideographs-expected.txt
diff --git a/LayoutTests/platform/linux/fast/block/lineboxcontain/block-with-ideographs-expected.txt b/LayoutTests/platform/linux/fast/block/lineboxcontain/block-with-ideographs-expected.txt
deleted file mode 100644
index 6cc6c20fc5d8735b149a995f002fae46ce0c31ea..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/linux/fast/block/lineboxcontain/block-with-ideographs-expected.txt
+++ /dev/null
@@ -1,68 +0,0 @@
-layer at (0,0) size 800x600 scrollHeight 631
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x631 backgroundClip at (0,0) size 800x600 clip at (0,0) size 800x600 outlineClip at (0,0) size 800x600
-  LayoutBlockFlow {html} at (0,0) size 800x631
-    LayoutBlockFlow {body} at (8,8) size 784x615
-      LayoutBlockFlow {div} at (0,0) size 784x205
-        LayoutBlockFlow {div} at (0,0) size 59x146 [border: (1px solid #FF0000)]
-          LayoutText {#text} at (2,1) size 55x48
-            text run at (2,1) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 55x48
-            LayoutRubyRun (anonymous) at (1,49) size 57x48
-              LayoutRubyBase (anonymous) at (0,0) size 57x48
-                LayoutText {#text} at (1,0) size 55x48
-                  text run at (1,0) width 48: "\x{6AFB}"
-          LayoutText {#text} at (2,97) size 55x48
-            text run at (2,97) width 48: "\x{7530}"
-        LayoutBlockFlow {div} at (0,146) size 784x59 [border: (1px solid #008000)]
-          LayoutText {#text} at (1,2) size 48x55
-            text run at (1,2) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 48x55
-            LayoutRubyRun (anonymous) at (49,1) size 48x57
-              LayoutRubyBase (anonymous) at (0,0) size 48x57
-                LayoutText {#text} at (0,1) size 48x55
-                  text run at (0,1) width 48: "\x{6AFB}"
-          LayoutText {#text} at (97,2) size 48x55
-            text run at (97,2) width 48: "\x{7530}"
-      LayoutBlockFlow {div} at (0,205) size 784x205
-        LayoutBlockFlow {div} at (0,0) size 59x146 [border: (1px solid #FF0000)]
-          LayoutText {#text} at (2,1) size 55x48
-            text run at (2,1) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 55x48
-            LayoutRubyRun (anonymous) at (1,49) size 57x48
-              LayoutRubyBase (anonymous) at (0,0) size 57x48
-                LayoutText {#text} at (1,0) size 55x48
-                  text run at (1,0) width 48: "\x{6AFB}"
-          LayoutText {#text} at (2,97) size 55x48
-            text run at (2,97) width 48: "\x{7530}"
-        LayoutBlockFlow {div} at (0,146) size 784x59 [border: (1px solid #008000)]
-          LayoutText {#text} at (1,2) size 48x55
-            text run at (1,2) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 48x55
-            LayoutRubyRun (anonymous) at (49,1) size 48x57
-              LayoutRubyBase (anonymous) at (0,0) size 48x57
-                LayoutText {#text} at (0,1) size 48x55
-                  text run at (0,1) width 48: "\x{6AFB}"
-          LayoutText {#text} at (97,2) size 48x55
-            text run at (97,2) width 48: "\x{7530}"
-      LayoutBlockFlow {div} at (0,410) size 784x205
-        LayoutBlockFlow {div} at (0,0) size 59x146 [border: (1px solid #FF0000)]
-          LayoutText {#text} at (2,1) size 55x48
-            text run at (2,1) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 55x48
-            LayoutRubyRun (anonymous) at (1,49) size 57x48
-              LayoutRubyBase (anonymous) at (0,0) size 57x48
-                LayoutText {#text} at (1,0) size 55x48
-                  text run at (1,0) width 48: "\x{6AFB}"
-          LayoutText {#text} at (2,97) size 55x48
-            text run at (2,97) width 48: "\x{7530}"
-        LayoutBlockFlow {div} at (0,146) size 784x59 [border: (1px solid #008000)]
-          LayoutText {#text} at (1,2) size 48x55
-            text run at (1,2) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 48x55
-            LayoutRubyRun (anonymous) at (49,1) size 48x57
-              LayoutRubyBase (anonymous) at (0,0) size 48x57
-                LayoutText {#text} at (0,1) size 48x55
-                  text run at (0,1) width 48: "\x{6AFB}"
-          LayoutText {#text} at (97,2) size 48x55
-            text run at (97,2) width 48: "\x{7530}"