Add 4 ARIA 1.1 attributes using new sparse attribute interface.

third_party/WebKit/Source/core/inspector/browser_protocol.json

 {
     "version": { "major": "1", "minor": "2" },
     "domains": [{
         "domain": "Inspector",
         "experimental": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications."
@@ skipping 4261 matching lines @@
                     { "name": "type", "$ref": "AXValueType", "description": "The type of this value." },
                     { "name": "value", "type": "any", "description": "The computed value of this property.", "optional": true },
                     { "name": "relatedNodes", "type": "array", "items": { "$ref": "AXRelatedNode" }, "description": "One or more related nodes, if applicable.", "optional": true },
                     { "name": "sources", "type": "array", "items": { "$ref": "AXValueSource" }, "description": "The sources which contributed to the computation of this property.", "optional": true }
                 ],
                 "description": "A single computed AX property."
             },
             {
                 "id": "AXGlobalStates",
                 "type": "string",
-                "enum": [ "disabled", "hidden", "hiddenRoot", "invalid" ],
+                "enum": [ "disabled", "hidden", "hiddenRoot", "invalid", "keyshortcuts", "roledescription" ],
                 "description": "States which apply to every AX node."
             },
             {
                 "id": "AXLiveRegionAttributes",
                 "type": "string",
                 "enum": [ "live", "atomic", "relevant", "busy", "root" ],
                 "description": "Attributes which apply to nodes in live regions."
             },
             {
                 "id": "AXWidgetAttributes",
                 "type": "string",
                 "enum": [ "autocomplete", "haspopup", "level", "multiselectable", "orientation", "multiline", "readonly", "required", "valuemin", "valuemax", "valuetext" ],
                 "description": "Attributes which apply to widgets."
             },
             {
                 "id": "AXWidgetStates",
                 "type": "string",
                 "enum": [ "checked", "expanded", "pressed", "selected" ],
                 "description": "States which apply to widgets."
             },
             {
                 "id": "AXRelationshipAttributes",
                 "type": "string",
-                "enum": [ "activedescendant", "flowto", "controls", "describedby", "labelledby", "owns" ],
+                "enum": [ "activedescendant", "controls", "describedby", "details", "errormessage", "flowto", "labelledby", "owns" ],
                 "description": "Relationships between elements other than parent/child/sibling."
             },
             {
                 "id": "AXNode",
                 "type": "object",
                 "properties": [
                     { "name": "nodeId", "$ref": "AXNodeId", "description": "Unique identifier for this node." },
                     { "name": "ignored", "type": "boolean", "description": "Whether this node is ignored for accessibility" },
                     { "name": "ignoredReasons", "type": "array", "items": { "$ref": "AXProperty" }, "description": "Collection of reasons why this node is hidden.", "optional": true },
                     { "name": "role", "$ref": "AXValue", "description": "This <code>Node</code>'s role, whether explicit or implicit.", "optional": true},
@@ skipping 187 matching lines @@
                 "name": "accepted",
                 "description": "Informs that port was successfully bound and got a specified connection id.",
                 "parameters": [
                     {"name": "port", "type": "integer", "description": "Port number that was successfully bound." },
                     {"name": "connectionId", "type": "string", "description": "Connection id to be used." }
                 ]
             }
         ]
     }]
 }