Make unicode-bidi:isolate the default for elements with dir attributes

third_party/WebKit/LayoutTests/editing/style/make-text-writing-direction-inline-win-expected.txt

Index: third_party/WebKit/LayoutTests/editing/style/make-text-writing-direction-inline-win-expected.txt
diff --git a/third_party/WebKit/LayoutTests/editing/style/make-text-writing-direction-inline-win-expected.txt b/third_party/WebKit/LayoutTests/editing/style/make-text-writing-direction-inline-win-expected.txt
index 7113f73f12dfd758a98157ca8cdb565c43bee2a5..19e8054ee147d90f65869d85686f4cd2746f82b7 100644
--- a/third_party/WebKit/LayoutTests/editing/style/make-text-writing-direction-inline-win-expected.txt
+++ b/third_party/WebKit/LayoutTests/editing/style/make-text-writing-direction-inline-win-expected.txt
@@ -10,7 +10,7 @@ PASS Natural on second and third words of "<b>hello world</b> webkit"
 PASS LeftToRight on second and third words of "<b>hello world</b> webkit"
 PASS RightToLeft on second and third words of "<b>hello world</b> webkit"
 FAIL (due to the bug 44359) Natural on third word of "<span dir="rtl">hello <span dir="ltr">world webkit rocks</span></span>" yielded <span dir="rtl">hello <span dir="ltr">world </span></span><span><span>webkit </span></span><span dir="rtl"><span dir="ltr">rocks</span></span> but expected <span dir="rtl">hello <span dir="ltr">world </span></span>webkit <span dir="rtl"><span dir="ltr">rocks</span></span>
-FAIL (due to the bug 44359) LeftToRight on third word of "<span dir="rtl">hello <span dir="ltr">world webkit rocks</span></span>" yielded <span dir="rtl">hello <span dir="ltr">world </span></span><span><span style="unicode-bidi: embed;">webkit </span></span><span dir="rtl"><span dir="ltr">rocks</span></span> but expected <span dir="rtl">hello <span dir="ltr">world </span></span><span style="unicode-bidi: embed;">webkit </span><span dir="rtl"><span dir="ltr">rocks</span></span>
+FAIL (due to the bug 44359) LeftToRight on third word of "<span dir="rtl">hello <span dir="ltr">world webkit rocks</span></span>" yielded <span dir="rtl">hello <span dir="ltr">world </span></span><span><span style="unicode-bidi: isolate;">webkit </span></span><span dir="rtl"><span dir="ltr">rocks</span></span> but expected <span dir="rtl">hello <span dir="ltr">world </span></span><span style="unicode-bidi: isolate;">webkit </span><span dir="rtl"><span dir="ltr">rocks</span></span>
 FAIL (due to the bug 44359) RightToLeft on third word of "<span dir="rtl">hello <span dir="ltr">world webkit rocks</span></span>" yielded <span dir="rtl">hello <span dir="ltr">world </span><span>webkit </span><span dir="ltr">rocks</span></span> but expected <span dir="rtl">hello <span dir="ltr">world </span>webkit <span dir="ltr">rocks</span></span>
 PASS Natural on first word of "هنا يكتب النص العربي"
 PASS LeftToRight on first word of "هنا يكتب النص العربي"