Limit optimized LayoutBlockFlowLine width computation to 8bit

third_party/WebKit/LayoutTests/platform/mac-mac10.11/fast/writing-mode/border-vertical-lr-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac-mac10.11/fast/writing-mode/border-vertical-lr-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac-mac10.11/fast/writing-mode/border-vertical-lr-expected.txt b/third_party/WebKit/LayoutTests/platform/mac-mac10.11/fast/writing-mode/border-vertical-lr-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..99fd303ab7eb09a20e21e2967c62677ceec1a10b
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/platform/mac-mac10.11/fast/writing-mode/border-vertical-lr-expected.txt
@@ -0,0 +1,25 @@
+layer at (0,0) size 800x600
+  LayoutView at (0,0) size 800x600
+layer at (0,0) size 772x600
+  LayoutBlockFlow {HTML} at (0,0) size 772x600
+    LayoutBlockFlow {BODY} at (8,8) size 756x584
+      LayoutInline {SPAN} at (0,0) size 219x580 [border: (2px solid #000000)]
+        LayoutText {#text} at (20,4) size 211x580
+          text run at (20,4) width 576: "\x{305B}\x{3063}\x{304B}\x{304F}\x{898B}\x{3064}\x{3051}\x{305F}\x{3059}\x{3070}\x{3089}\x{3057}\x{3044}\x{8A18}\x{4E8B}\x{304C}\x{3069}\x{3053}\x{306B}\x{3042}\x{3063}\x{305F}\x{304B}\x{5FD8}\x{308C}\x{3066}\x{3057}"
+          text run at (83,0) width 555: "\x{307E}\x{3063}\x{305F}\x{7D4C}\x{9A13}\x{306F}\x{3042}\x{308A}\x{307E}\x{3059}\x{304B}\x{306A}\x{3089}\x{30BF}\x{30A4}\x{30C8}\x{30EB}\x{3068}\x{30A2}\x{30C9}\x{30EC}\x{30B9}\x{3060}\x{3051}\x{3067}\x{306A}"
+          text run at (146,0) width 574: "\x{304F}\x{3001}\x{8A2A}\x{554F}\x{3057}\x{305F}\x{30A6}\x{30A7}\x{30D6}\x{30DA}\x{30FC}\x{30B8}\x{306E}\x{30B3}\x{30F3}\x{30C6}\x{30F3}\x{30C4}\x{304B}\x{3089}\x{3082}\x{691C}\x{7D22}\x{3059}\x{308B}\x{3053}\x{3068}"
+          text run at (209,0) width 127: "\x{304C}\x{3067}\x{304D}\x{307E}\x{3059}\x{3002}"
+      LayoutText {#text} at (209,130) size 22x8
+        text run at (209,130) width 8: " "
+      LayoutBR {BR} at (0,0) size 0x0
+      LayoutBR {BR} at (272,0) size 22x0
+      LayoutInline {SPAN} at (0,0) size 414x583 [border: (5px solid #000000)]
+        LayoutText {#text} at (335,7) size 400x583
+          text run at (335,7) width 576: "\x{305B}\x{3063}\x{304B}\x{304F}\x{898B}\x{3064}\x{3051}\x{305F}\x{3059}\x{3070}\x{3089}\x{3057}\x{3044}\x{8A18}\x{4E8B}\x{304C}\x{3069}\x{3053}\x{306B}\x{3042}\x{3063}\x{305F}\x{304B}\x{5FD8}\x{308C}\x{3066}\x{3057}"
+          text run at (398,0) width 562: "\x{307E}\x{3063}\x{305F}\x{7D4C}\x{9A13}\x{306F}\x{3042}\x{308A}\x{307E}\x{3059}\x{304B} \x{306A}\x{3089}\x{30BF}\x{30A4}\x{30C8}\x{30EB}\x{3068}\x{30A2}\x{30C9}\x{30EC}\x{30B9}\x{3060}\x{3051}\x{3067}\x{306A}"
+          text run at (461,0) width 574: "\x{304F}\x{3001}\x{8A2A}\x{554F}\x{3057}\x{305F}\x{30A6}\x{30A7}\x{30D6}\x{30DA}\x{30FC}\x{30B8}\x{306E}\x{30B3}\x{30F3}\x{30C6}\x{30F3}\x{30C4}\x{304B}\x{3089}\x{3082}\x{691C}\x{7D22}\x{3059}\x{308B}\x{3053}\x{3068}"
+          text run at (524,0) width 573: "\x{304C}\x{3067}\x{304D}\x{307E}\x{3059}\x{3002}\x{8A2A}\x{554F}\x{3057}\x{305F}\x{30A6}\x{30A7}\x{30D6}\x{30DA}\x{30FC}\x{30B8}\x{306E}\x{30B3}\x{30F3}\x{30C6}\x{30F3}\x{30C4}\x{304B}\x{3089}\x{3082}\x{691C}\x{7D22}"
+          text run at (587,0) width 575: "\x{3059}\x{308B}\x{3053}\x{3068}\x{304C}\x{3067}\x{304D}\x{307E}\x{3059}\x{3002}\x{305B}\x{3063}\x{304B}\x{304F}\x{898B}\x{3064}\x{3051}\x{305F}\x{3059}\x{3070}\x{3089}\x{3057}\x{3044}\x{8A18}\x{4E8B}\x{304C}\x{3069}"
+          text run at (650,0) width 583: "\x{3053}\x{306B}\x{3042}\x{3063}\x{305F}\x{304B}\x{5FD8}\x{308C}\x{3066}\x{3057}\x{307E}\x{3063}\x{305F}\x{7D4C}\x{9A13}\x{306F}\x{3042}\x{308A}\x{307E}\x{3059}\x{304B} \x{306A}\x{3089}\x{30BF}\x{30A4}\x{30C8}\x{30EB}"
+          text run at (713,0) width 278: "\x{3068}\x{30A2}\x{30C9}\x{30EC}\x{30B9}\x{3060}\x{3051}\x{3067}\x{306A}\x{304F}\x{3001}\x{8A2A}\x{554F}"
+      LayoutText {#text} at (0,0) size 0x0