Fix index used to join results of DOM.getDocument and CSS.getLayoutTreeAndStyles

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

Index: third_party/WebKit/Source/core/inspector/browser_protocol.json
diff --git a/third_party/WebKit/Source/core/inspector/browser_protocol.json b/third_party/WebKit/Source/core/inspector/browser_protocol.json
index 1f472c210cc94a39b8e81a539a435668f6ef0ae0..91d1c6f7f9b2c3fcd69a7d1018f2f7a6be681adf 100644
--- a/third_party/WebKit/Source/core/inspector/browser_protocol.json
+++ b/third_party/WebKit/Source/core/inspector/browser_protocol.json
@@ -2911,7 +2911,7 @@
                 "id": "LayoutTreeNode",
                 "type": "object",
                 "properties": [
-                    { "name": "backendNodeId", "$ref": "DOM.BackendNodeId", "description": "The BackendNodeId of the related DOM node." },
+                    { "name": "nodeId", "$ref": "DOM.NodeId", "description": "The id of the related DOM node matching one from DOM.GetDocument." },
                     { "name": "boundingBox", "$ref": "DOM.Rect", "description": "The absolute position bounding box." },
                     { "name": "layoutText", "type": "string", "optional": true, "description": "Contents of the LayoutText if any" },
                     { "name": "inlineTextNodes", "type": "array", "optional": true, "items": { "$ref": "InlineTextBox" }, "description": "The post layout inline text nodes, if any." },
@@ -3132,7 +3132,7 @@
                     { "name": "layoutTreeNodes", "type": "array", "items": { "$ref": "LayoutTreeNode" } },
                     { "name": "computedStyles", "type": "array", "items": { "$ref": "ComputedStyle" } }
                 ],
-                "description": "For the main document and any content documents, return the LayoutTreeNodes and a whitelisted subset of the computed style.",
+                "description": "For the main document and any content documents, return the LayoutTreeNodes and a whitelisted subset of the computed style. It only returns pushed nodes, on way to pull all nodes is to call DOM.getDocument with a depth of -1.",
                 "experimental": true
             }
         ],