Import chrome idl into third_party

third_party/chrome/idl/devtools/experimental_audits.json

Index: third_party/chrome/idl/devtools/experimental_audits.json
diff --git a/third_party/chrome/idl/devtools/experimental_audits.json b/third_party/chrome/idl/devtools/experimental_audits.json
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+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+[
+  {
+    "namespace": "experimental.devtools.audits",
+    "nocompile": true,
+    "functions": [
+      {
+        "name": "addCategory",
+        "type": "function",
+        "description": "Adds an audit category.",
+        "parameters": [
+          { "name": "displayName", "type": "string", "description": "A display name for the category." },
+          { "name": "resultCount", "type": "number", "description": "The expected number of audit results in the category." }
+        ],
+        "returns": {
+          "$ref": "AuditCategory"
+        }
+      }
+    ],
+    "types": [
+      {
+        "id": "AuditCategory",
+        "type": "object",
+        "description": "A group of logically related audit checks.",
+        "events": [
+          {
+            "name": "onAuditStarted",
+            "type": "function",
+            "description": "If the category is enabled, this event is fired when the audit is started. The event handler is expected to initiate execution of the audit logic that will populate the <code>results</code> collection.",
+            "parameters": [
+              { "name": "results", "$ref": "AuditResults" }
+            ]
+          }
+        ]
+      },
+      {
+        "id": "FormattedValue",
+        "type": "object",
+        "additionalProperties": { "type": "any" },
+        "description": "A value returned from one of the formatters (a URL, code snippet etc), to be passed to <code>createResult()</code> or <code>addChild()</code>. See $ref:AuditResults.createSnippet and $ref:AuditResults.createURL."
+      },
+      {
+        "id": "AuditResults",
+        "type": "object",
+        "description": "A collection of audit results for the current run of the audit category.",
+        "functions": [
+          {
+            "name": "addResult",
+            "type": "function",
+            "description": "Adds an audit result. The results are rendered as bulleted items under the audit category assoicated with the <code>AuditResults</code> object.",
+            "parameters": [
+              {
+                "name": "displayName",
+                "type": "string",
+                "description": "A concise, high-level description of the result."
+              },
+              {
+                "name": "description",
+                "type": "string",
+                "description": "A detailed description of what the displayName means."
+              },
+              {
+                "name": "severity",
+                "$ref": "AuditResultSeverity"
+              },
+              {
+                "name": "details",
+                "$ref": "AuditResultNode",
+                "optional": true,
+                "description": "A subtree that appears under the added result that may provide additional details on the violations found."
+              }
+            ]
+          },
+          {
+            "name": "createResult",
+            "type": "function",
+            "description": "Creates a result node that may be used as the <code>details</code> parameters to the <code>addResult()</code> method.",
+            "parameters": [
+              {
+                "name": "content",
+                "choices": [
+                  { "type": "string" },
+                  { "$ref": "FormattedValue" }
+                ],
+                "description": "Either string or formatted values returned by one of the AuditResult formatters (a URL, a snippet etc). If multiple arguments are passed, these will be concatenated into a single node."
+              }
+            ],
+            "returns": {
+              "$ref": "AuditResultNode"
+            }
+          },
+          {
+            "name": "done",
+            "type": "function",
+            "description": "Signals the DevTools Audits panel that the run of this category is over. The audit run also completes automatically when the number of added top-level results is equal to that declared when AuditCategory was created."
+          },
+          {
+            "name": "createURL",
+            "type": "function",
+            "description": "Render passed value as a URL in the Audits panel.",
+            "parameters": [
+              { "name": "href", "type": "string", "description": "A URL that appears as the href value on the resulting link." },
+              { "name": "displayText", "type": "string", "description": "Text that appears to the user.", "optional": true }
+            ],
+            "returns": { "$ref": "FormattedValue" }
+          },
+          {
+            "name": "createSnippet",
+            "type": "function",
+            "description": "Render passed text as a code snippet in the Audits panel.",
+            "parameters": [
+              { "name": "text", "type": "string", "description": "Snippet text." }
+            ],
+            "returns": { "$ref": "FormattedValue" }
+          }
+        ],
+        "properties": {
+          "Severity": {
+            "$ref": "AuditResultSeverity",
+            "description": "A class that contains possible values for the audit result severities."
+          },
+          "text": {
+            "type": "string",
+            "description": "The contents of the node."
+          },
+          "children": {
+            "optional": true,
+            "type": "array",
+            "items": { "$ref": "AuditResultNode" },
+            "description": "Children of this node."
+          },
+          "expanded": {
+            "optional": "true",
+            "type": "boolean",
+            "description": "Whether the node is expanded by default."
+          }
+        }
+      },
+      {
+        "id": "AuditResultNode",
+        "type": "object",
+        "description": "A node in the audit result tree. Displays content and may optionally have children nodes.",
+        "functions": [
+          {
+            "name": "addChild",
+            "description": "Adds a child node to this node.",
+            "parameters": [
+              {
+                "name": "content",
+                "choices": [
+                  { "type": "string" },
+                  { "$ref": "FormattedValue" }
+                ],
+                "description": "Either string or formatted values returned by one of the AuditResult formatters (URL, snippet etc). If multiple arguments are passed, these will be concatenated into a single node."
+              }
+            ],
+            "returns": {
+              "$ref": "AuditResultNode"
+            }
+          }
+        ],
+        "properties": {
+          "expanded": {
+            "type": "boolean",
+            "description": "If set, the subtree will always be expanded."
+          }
+        }
+      },
+      {
+        "id": "AuditResultSeverity",
+        "type": "object",
+        "description": "This type contains possible values for a result severity. The results of different severities are distinguished by colored bullets near the result's display name.",
+        "properties": {
+          "Info": {
+            "type": "string"
+          },
+          "Warning": {
+            "type": "string"
+          },
+          "Severe": {
+            "type": "string"
+          }
+        }
+      }
+    ]
+  }
+]