Fix alignment for bidirectional text.

LayoutTests/platform/mac/fast/text/international/unicode-bidi-plaintext-expected.txt

Index: LayoutTests/platform/mac/fast/text/international/unicode-bidi-plaintext-expected.txt
diff --git a/LayoutTests/platform/mac/fast/text/international/unicode-bidi-plaintext-expected.txt b/LayoutTests/platform/mac/fast/text/international/unicode-bidi-plaintext-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..38b7940175c67f8bf3571e7832d456201d869c91
--- /dev/null
+++ b/LayoutTests/platform/mac/fast/text/international/unicode-bidi-plaintext-expected.txt
@@ -0,0 +1,40 @@
+layer at (0,0) size 800x600
+  RenderView at (0,0) size 800x600
+layer at (0,0) size 800x204
+  RenderBlock {HTML} at (0,0) size 800x204
+    RenderBody {BODY} at (8,8) size 784x183
+      RenderBlock {DIV} at (0,0) size 784x18
+        RenderText {#text} at (0,0) size 510x18
+          text run at (0,0) width 510: "This tests proper handling of unicode-bidi: plaintext. You should not see any red."
+      RenderBlock {DIV} at (0,18) size 784x75
+        RenderText {#text} at (0,0) size 44x18
+          text run at (0,0) width 44: "!hello. "
+        RenderBR {BR} at (44,0) size 0x18
+        RenderText {#text} at (734,19) size 50x18
+          text run at (734,19) width 50 RTL: "!\x{5E9}\x{5DC}\x{5D5}\x{5DD}. "
+        RenderBR {BR} at (734,19) size 1x18
+        RenderText {#text} at (0,38) size 67x18
+          text run at (0,38) width 39: "hello, "
+          text run at (39,38) width 19 RTL: "\x{5DC}\x{5D5}\x{5D9}"
+          text run at (57,38) width 10: "! "
+        RenderBR {BR} at (66,38) size 1x18
+        RenderText {#text} at (684,57) size 100x18
+          text run at (684,57) width 6 RTL: "!"
+          text run at (689,57) width 51: "WebKit"
+          text run at (739,57) width 45 RTL: "\x{5E9}\x{5DC}\x{5D5}\x{5DD}, "
+      RenderBlock {PRE} at (0,106) size 784x77
+        RenderText {#text} at (0,0) size 784x77
+          text run at (0,0) width 8: "a"
+          text run at (8,0) width 0: " "
+          text run at (0,15) width 8: "("
+          text run at (8,15) width 0: " "
+          text run at (682,31) width 1 RTL: " "
+          text run at (682,31) width 9 RTL: "!"
+          text run at (690,31) width 49: "WebKit"
+          text run at (738,31) width 46 RTL: "\x{5E9}\x{5DC}\x{5D5}\x{5DD}, "
+          text run at (0,47) width 56: "hello, "
+          text run at (56,47) width 16 RTL: "\x{5DC}\x{5D5}\x{5D9}"
+          text run at (71,47) width 9: "!"
+          text run at (79,47) width 1: " "
+          text run at (0,62) width 8: ")"
+          text run at (8,62) width 0: " "