Remove -webkit-line-box-contain implementation.

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

Index: LayoutTests/platform/mac/fast/block/lineboxcontain/block-with-ideographs-expected.txt
diff --git a/LayoutTests/platform/mac/fast/block/lineboxcontain/block-with-ideographs-expected.txt b/LayoutTests/platform/mac/fast/block/lineboxcontain/block-with-ideographs-expected.txt
deleted file mode 100644
index aff7d4d668a20e07ef4f6eada04dd4b524976e1d..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/mac/fast/block/lineboxcontain/block-with-ideographs-expected.txt
+++ /dev/null
@@ -1,68 +0,0 @@
-layer at (0,0) size 800x600 scrollHeight 625
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x625 backgroundClip at (0,0) size 800x600 clip at (0,0) size 800x600 outlineClip at (0,0) size 800x600
-  LayoutBlockFlow {html} at (0,0) size 800x625
-    LayoutBlockFlow {body} at (8,8) size 784x609
-      LayoutBlockFlow {div} at (0,0) size 784x203
-        LayoutBlockFlow {div} at (0,0) size 57x146 [border: (1px solid #FF0000)]
-          LayoutText {#text} at (1,1) size 55x48
-            text run at (1,1) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 55x48
-            LayoutRubyRun (anonymous) at (1,49) size 55x48
-              LayoutRubyBase (anonymous) at (0,0) size 55x48
-                LayoutText {#text} at (0,0) size 55x48
-                  text run at (0,0) width 48: "\x{6AFB}"
-          LayoutText {#text} at (1,97) size 55x48
-            text run at (1,97) width 48: "\x{7530}"
-        LayoutBlockFlow {div} at (0,146) size 784x57 [border: (1px solid #008000)]
-          LayoutText {#text} at (1,1) size 48x55
-            text run at (1,1) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 48x55
-            LayoutRubyRun (anonymous) at (49,1) size 48x55
-              LayoutRubyBase (anonymous) at (0,0) size 48x55
-                LayoutText {#text} at (0,0) size 48x55
-                  text run at (0,0) width 48: "\x{6AFB}"
-          LayoutText {#text} at (97,1) size 48x55
-            text run at (97,1) width 48: "\x{7530}"
-      LayoutBlockFlow {div} at (0,203) size 784x203
-        LayoutBlockFlow {div} at (0,0) size 57x146 [border: (1px solid #FF0000)]
-          LayoutText {#text} at (1,1) size 55x48
-            text run at (1,1) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 55x48
-            LayoutRubyRun (anonymous) at (1,49) size 55x48
-              LayoutRubyBase (anonymous) at (0,0) size 55x48
-                LayoutText {#text} at (0,0) size 55x48
-                  text run at (0,0) width 48: "\x{6AFB}"
-          LayoutText {#text} at (1,97) size 55x48
-            text run at (1,97) width 48: "\x{7530}"
-        LayoutBlockFlow {div} at (0,146) size 784x57 [border: (1px solid #008000)]
-          LayoutText {#text} at (1,1) size 48x55
-            text run at (1,1) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 48x55
-            LayoutRubyRun (anonymous) at (49,1) size 48x55
-              LayoutRubyBase (anonymous) at (0,0) size 48x55
-                LayoutText {#text} at (0,0) size 48x55
-                  text run at (0,0) width 48: "\x{6AFB}"
-          LayoutText {#text} at (97,1) size 48x55
-            text run at (97,1) width 48: "\x{7530}"
-      LayoutBlockFlow {div} at (0,406) size 784x203
-        LayoutBlockFlow {div} at (0,0) size 57x146 [border: (1px solid #FF0000)]
-          LayoutText {#text} at (1,1) size 55x48
-            text run at (1,1) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 55x48
-            LayoutRubyRun (anonymous) at (1,49) size 55x48
-              LayoutRubyBase (anonymous) at (0,0) size 55x48
-                LayoutText {#text} at (0,0) size 55x48
-                  text run at (0,0) width 48: "\x{6AFB}"
-          LayoutText {#text} at (1,97) size 55x48
-            text run at (1,97) width 48: "\x{7530}"
-        LayoutBlockFlow {div} at (0,146) size 784x57 [border: (1px solid #008000)]
-          LayoutText {#text} at (1,1) size 48x55
-            text run at (1,1) width 48: "\x{70BA}"
-          LayoutRuby (inline) {ruby} at (0,0) size 48x55
-            LayoutRubyRun (anonymous) at (49,1) size 48x55
-              LayoutRubyBase (anonymous) at (0,0) size 48x55
-                LayoutText {#text} at (0,0) size 48x55
-                  text run at (0,0) width 48: "\x{6AFB}"
-          LayoutText {#text} at (97,1) size 48x55
-            text run at (97,1) width 48: "\x{7530}"