Adding supported checks for getCssCanvasContext.

tests/html/html.status

Index: tests/html/html.status
diff --git a/tests/html/html.status b/tests/html/html.status
index 489cf2302a6c339331af1b3fc27560ca2101f6b0..de41d706876f92f43b5c1de4c40171d1ac4dd614 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -60,7 +60,7 @@ audiobuffersourcenode_test: Pass, Fail
 audiobuffersourcenode_test: Fail
 audiocontext_test: Fail
 css_test: Fail
-document_test/getCssCanvasContext: Fail # IE does not support this.
+document_test/supports_cssCanvasContext: Fail
 element_test/additionalConstructors: Fail
 element_test/click: Fail                # IE does not support firing this event.
 element_types_test/supported_content: Fail
@@ -99,7 +99,7 @@ xhr_test: Fail
 xsltprocessor_test: Fail
 
 [ $runtime == ie9 ]
-document_test/getCssCanvasContext: Fail # IE does not support this.
+document_test/supports_cssCanvasContext: Fail
 element_test/click: Fail                # IE does not support firing this event.
 element_types_test/supported_content: Fail
 element_types_test/supported_datalist: Fail
@@ -190,7 +190,7 @@ element_test/constructors: Fail
 
 
 [ $runtime == opera ]
-document_test/getCssCanvasContext: Fail # Issue: 7413
+document_test/supports_cssCanvasContext: Fail
 form_data_test: Fail # Issue: 7413
 keyboard_event_test: Fail # Issue: 7413
 xmldocument_2_test: Fail # Issue: 7413
@@ -235,7 +235,7 @@ audiobuffersourcenode_test: Fail # FF only has Audio element.
 audiocontext_test: Fail      # FF only has Audio element
 css_test: Fail               # No analog to WebKitCssMatrix
 dart_object_local_storage_test: Skip  # sessionStorage NS_ERROR_DOM_NOT_SUPPORTED_ERR
-document_test/getCssCanvasContext: Fail # FF does not support this.
+document_test/supports_cssCanvasContext: Fail
 element_types_test/supported_content: Fail
 element_types_test/supported_details: Fail
 element_types_test/supported_embed: Fail