Remove -webkit-line-box-contain implementation.

LayoutTests/platform/linux/fast/block/lineboxcontain/glyphs-expected.txt

Index: LayoutTests/platform/linux/fast/block/lineboxcontain/glyphs-expected.txt
diff --git a/LayoutTests/platform/linux/fast/block/lineboxcontain/glyphs-expected.txt b/LayoutTests/platform/linux/fast/block/lineboxcontain/glyphs-expected.txt
deleted file mode 100644
index bfb2e03e02f8cd96d57622fe5071a5309a4e2100..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/linux/fast/block/lineboxcontain/glyphs-expected.txt
+++ /dev/null
@@ -1,37 +0,0 @@
-layer at (0,0) size 800x600
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x280
-  LayoutBlockFlow {HTML} at (0,0) size 800x280
-    LayoutBlockFlow {BODY} at (8,8) size 784x256
-      LayoutBlockFlow (anonymous) at (0,0) size 784x20
-        LayoutText {#text} at (0,0) size 471x19
-          text run at (0,0) width 248: "You should see a green rectangle below. "
-          text run at (248,0) width 223: "If you see any red, the test has failed."
-        LayoutText {#text} at (0,0) size 0x0
-      LayoutBlockFlow {P} at (0,164) size 784x16 [border: (1px solid #000000)]
-        LayoutText {#text} at (1,-3) size 259x19
-          text run at (1,-3) width 259: "this block should hug the lowercase glyphs."
-      LayoutBlockFlow {P} at (0,196) size 784x60
-        LayoutBlockFlow (floating) {<pseudo:first-letter>} at (0,0) size 21x24
-          LayoutTextFragment (anonymous) at (0,-8) size 21x41
-            text run at (0,-8) width 21: "T"
-        LayoutTextFragment {#text} at (23,0) size 389x19
-          text run at (23,0) width 389: "he first letter here should look nicer because it uses glyph bounds"
-        LayoutBR {BR} at (412,0) size 0x19
-        LayoutText {#text} at (23,20) size 485x19
-          text run at (23,20) width 485: "This should make the top of the T line up with the line and not look shifted down."
-        LayoutBR {BR} at (508,20) size 0x19
-        LayoutText {#text} at (0,40) size 428x19
-          text run at (0,40) width 428: "Maybe we should do this by default for all first letters like Firefox does."
-layer at (8,28) size 384x128
-  LayoutBlockFlow {DIV} at (0,20) size 384x128 [bgcolor=#FF0000]
-    LayoutInline {SPAN} at (0,0) size 320x65 [color=#008000] [border: (1px solid #008000) none]
-      LayoutText {#text} at (0,0) size 320x64
-        text run at (0,0) width 320: "xxxxx"
-    LayoutInline {SPAN} at (0,0) size 64x128 [bgcolor=#008000]
-    LayoutBR {BR} at (384,0) size 0x64
-    LayoutBlockFlow {DIV} at (0,0) size 64x128 [bgcolor=#008000]
-    LayoutInline {SPAN} at (0,0) size 320x65 [color=#008000] [border: (1px solid #008000) none]
-      LayoutText {#text} at (64,64) size 320x64
-        text run at (64,64) width 320: "xxxxx"
-    LayoutText {#text} at (0,0) size 0x0