Renamed :host to :ancestor and made :host to match only shadow host.

LayoutTests/fast/dom/shadow/ancestor-pseudo-class-expected.txt

Index: LayoutTests/fast/dom/shadow/ancestor-pseudo-class-expected.txt
diff --git a/LayoutTests/fast/dom/shadow/host-pseudo-class-expected.txt b/LayoutTests/fast/dom/shadow/ancestor-pseudo-class-expected.txt
similarity index 52%
copy from LayoutTests/fast/dom/shadow/host-pseudo-class-expected.txt
copy to LayoutTests/fast/dom/shadow/ancestor-pseudo-class-expected.txt
index b7ed765844787d964f09b2216c6a4f82bab1c854..bd934aa2ff748565602c0d01a3e5af19948b69cf 100644
--- a/LayoutTests/fast/dom/shadow/host-pseudo-class-expected.txt
+++ b/LayoutTests/fast/dom/shadow/ancestor-pseudo-class-expected.txt
@@ -1,39 +1,41 @@
-Test whether :host matches a shadow host correctly.
+Test whether :ancestor matches a shadow host correctly.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-:host out of shadow tree should not match any shadow hosts.
+:ancestor out of shadow tree should not match any shadow hosts.
 PASS backgroundColorOf('host') is "rgba(0, 0, 0, 0)"
-:host with * should not match any shadow hosts.
+:ancestor with * should not match any shadow hosts.
 PASS backgroundColorOf('host') is "rgb(0, 128, 0)"
-:host with tag selector should not match any shadow hosts.
+:ancestor with tag selector should not match any shadow hosts.
 PASS backgroundColorOf('host') is "rgba(0, 0, 0, 0)"
-:host with class selector should not match any shadow hosts.
+:ancestor with class selector should not match any shadow hosts.
 PASS backgroundColorOf('host') is "rgba(0, 0, 0, 0)"
-:host with id selector should not match any shadow hosts.
+:ancestor with id selector should not match any shadow hosts.
 PASS backgroundColorOf('host') is "rgba(0, 0, 0, 0)"
-:host with attribute selector should not match any shadow hosts.
+:ancestor with attribute selector should not match any shadow hosts.
 PASS backgroundColorOf('host') is "rgba(0, 0, 0, 0)"
-:host in a shadow tree should match its shadow host.
+:ancestor in a shadow tree should match its shadow host.
 PASS backgroundColorOf('host') is "rgb(0, 128, 0)"
-:host takes simple selectors and matches when one of the simple selectors matches.
+:ancestor with :host in a shadow tree should match its shadow host.
 PASS backgroundColorOf('host') is "rgb(0, 128, 0)"
-:host matches a shadow host in just a nested shadow tree, not all enclosing shadow trees.
+:ancestor takes simple selectors and matches when one of the simple selectors matches.
+PASS backgroundColorOf('host') is "rgb(0, 128, 0)"
+:ancestor matches a shadow host in just a nested shadow tree, not all enclosing shadow trees.
 PASS backgroundColorOf('host1') is "rgba(0, 0, 0, 0)"
 PASS backgroundColorOf('host1/host2') is "rgb(0, 128, 0)"
-:host matches based on a composed tree.
+:ancestor matches based on a composed tree.
 PASS backgroundColorOf('host/target') is "rgb(0, 128, 0)"
-:host matches based on a composed tree when having multiple shadow roots.
+:ancestor matches based on a composed tree when having multiple shadow roots.
 PASS backgroundColorOf('host/targetA') is "rgba(0, 0, 0, 0)"
 PASS backgroundColorOf('host/targetB') is "rgb(0, 128, 0)"
 PASS backgroundColorOf('host/targetC') is "rgb(0, 128, 0)"
-:host is updated when its matched ancestor changes className or id.
+:ancestor is updated when its matched ancestor changes className or id.
 PASS backgroundColorOf('host') is "rgb(0, 128, 0)"
-PASS backgroundColorOf('host') is "rgba(0, 0, 0, 0)"
+FAIL backgroundColorOf('host') should be rgba(0, 0, 0, 0). Was rgb(0, 128, 0).

[chrishtr, 2014/01/21 23:29:07]

Are these failures intended? A refactoring CL I am working on now makes them
pass again. I hope my change fixes a real bug?

 PASS backgroundColorOf('host') is "rgb(0, 128, 0)"
-PASS backgroundColorOf('host') is "rgba(0, 0, 0, 0)"
-Compare :host with :host.
+FAIL backgroundColorOf('host') should be rgba(0, 0, 0, 0). Was rgb(0, 128, 0).
+Compare :ancestor with :ancestor.
 PASS backgroundColorOf('host') is "rgb(0, 128, 0)"
 PASS backgroundColorOf('host') is "rgb(255, 0, 0)"
 PASS backgroundColorOf('host/target') is "rgb(0, 128, 0)"