Devtools: DOM inspection follows inspect cursor

third_party/WebKit/Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications.",
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                 "hidden": true
             },
             {
                 "name": "distributedNodesUpdated",
                 "parameters": [
                     { "name": "insertionPointId", "$ref": "NodeId", "description": "Insertion point where distrubuted nodes were updated." },
                     { "name": "distributedNodes", "type": "array", "items": { "$ref": "BackendNode" }, "description": "Distributed nodes for given insertion point." }
                 ],
                 "description": "Called when distrubution is changed.",
                 "hidden": true
+            },
+            {
+                "name": "nodeHighlightRequested",
+                "parameters": [
+                    {"name": "nodeId", "$ref": "NodeId"}
+                ],
+                "hidden": true
             }
         ]
     },
     {
         "domain": "CSS",
         "hidden": true,
         "description": "This domain exposes CSS read/write operations. All CSS objects (stylesheets, rules, and styles) have an associated <code>id</code> used in subsequent operations on the related object. Each object type has a specific <code>id</code> structure, and those are not interchangeable between objects of different kinds. CSS objects can be loaded using the <code>get*ForNode()</code> calls (which accept a DOM node id). A client can also discover all the existing stylesheets with the <code>getAllStyleSheets()</code> method (or keeping track of the <code>styleSheetAdded</code>/<code>styleSheetRemoved</code> events) and subsequently load the required stylesheet contents using the <code>getStyleSheet[Text]()</code> methods.",
         "types": [
             {
                 "id": "StyleSheetId",
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                 ],
                 "returns": [
                     { "name": "accessibilityNode", "$ref": "AXNode", "description": "The <code>Accessibility.AXNode</code> for this DOM node, if it exists.", "optional": true }
                 ],
                 "description": "Fetches the accessibility node for this DOM node, if it exists.",
                 "hidden": true
             }
         ]
     }]
 }