Updating annotations for shadow dom types.

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index 870eaf7310cd11f32fd1d75c3c146ea382b02166..2cc02799d96fd13568d40d513c013c8fdd7953fe 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -2138,7 +2138,7 @@ class Console extends NativeFieldWrapperClass1 {
 
 @DocsEditable
 @DomName('HTMLContentElement')
-@SupportedBrowser(SupportedBrowser.CHROME, '25')
+@SupportedBrowser(SupportedBrowser.CHROME, '26')
 @Experimental
 class ContentElement extends _Element_Merged {
   ContentElement.internal() : super.internal();
@@ -2307,6 +2307,8 @@ class CssFontFaceRule extends CssRule {
 
 @DocsEditable
 @DomName('CSSHostRule')
+@SupportedBrowser(SupportedBrowser.CHROME, '26')
+@Experimental
 class CssHostRule extends CssRule {
   CssHostRule.internal() : super.internal();
 
@@ -21526,7 +21528,7 @@ class SelectElement extends _Element_Merged {
 
 @DocsEditable
 @DomName('HTMLShadowElement')
-@SupportedBrowser(SupportedBrowser.CHROME, '25')
+@SupportedBrowser(SupportedBrowser.CHROME, '26')
 @Experimental
 class ShadowElement extends _Element_Merged {
   ShadowElement.internal() : super.internal();
@@ -21555,7 +21557,7 @@ class ShadowElement extends _Element_Merged {
 
 
 @DomName('ShadowRoot')
-@SupportedBrowser(SupportedBrowser.CHROME, '25')
+@SupportedBrowser(SupportedBrowser.CHROME, '26')
 @Experimental
 class ShadowRoot extends DocumentFragment {
   ShadowRoot.internal() : super.internal();