Make ScopedStyleResolver use apply-author-styles of a given element's treescope.

LayoutTests/fast/css/style-scoped/style-scoped-apply-author-styles.html

Index: LayoutTests/fast/css/style-scoped/style-scoped-apply-author-styles.html
diff --git a/LayoutTests/fast/css/style-scoped/style-scoped-apply-author-styles.html b/LayoutTests/fast/css/style-scoped/style-scoped-apply-author-styles.html
index 6a90f7a89cd616709271db0844620ffc9796195c..e5cc8107e3b513e5e46d92d817186321cb7216c0 100644
--- a/LayoutTests/fast/css/style-scoped/style-scoped-apply-author-styles.html
+++ b/LayoutTests/fast/css/style-scoped/style-scoped-apply-author-styles.html
@@ -90,7 +90,7 @@ function testEnclosingShadowWithScoped()
 
 function testNestedShadow()
 {
-    debug('test a style in a shadow subtree is applied to a node in its descendant shadow subtree when all apply-author-styles in shadow subtrees between the shadow subtree and the descendant are true.');
+    debug('test a style in a shadow subtree is applied to a node in its descendant shadow subtree when apply-author-styles in the shadow subtree is true.');

[hayato, 2013/05/29 11:16:27]

I feel 'the shadow tree' is ambiguous in this sentence.
It's not clear that which tree 'the shadow subtree'  in the clause of 'when
apply-author-styles in the shadow subtree...' points to.

It might be better to clarify that.

[tasak, 2013/05/31 10:06:58]

Sure. Probably done.

 
     var div = document.createElement('div');
     div.innerHTML = '<style scoped>div { border: 1px solid red }</style><div id="host"></div>';
@@ -115,7 +115,7 @@ function testNestedShadow()
     // A style in document should be applied.
     dumpComputedStyle(shadow.getElementById("target"));
 
-    outerShadow.applyAuthorStyles = true
+    outerShadow.applyAuthorStyles = true;
     // A style in 'outerMost' shadow should be applied.
     dumpComputedStyle(shadow.getElementById("target"));