Implement Enterprise Key API.

chrome/common/extensions/api/enterprise_platform_keys_private.json

Index: chrome/common/extensions/api/enterprise_platform_keys_private.json
diff --git a/chrome/common/extensions/api/enterprise_platform_keys_private.json b/chrome/common/extensions/api/enterprise_platform_keys_private.json
new file mode 100644
index 0000000000000000000000000000000000000000..483586c95cccb08745652cd0fbb1694b76c6dfa0
--- /dev/null
+++ b/chrome/common/extensions/api/enterprise_platform_keys_private.json
@@ -0,0 +1,67 @@
+// Copyright (c) 2013 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": "enterprise.platformKeysPrivate",
+    "nodoc": true,
+    "platforms": ["chromeos"],
+    "types": [],
+    "functions": [
+      {
+        "name": "challengeMachineKey",
+        "type": "function",
+        "description": "Challenge a machine key.",
+        "parameters": [
+          {
+            "type": "string",
+            "name": "challenge",
+            "description": "Challenge to be signed in base64."
+          },
+          {
+            "type": "function",
+            "name": "callback",
+            "description": "Callback function.",
+            "parameters": [
+              {
+                "name": "response",
+                "description": "Response in base64.",
+                "type": "string"
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "name": "challengeUserKey",
+        "type": "function",
+        "description": "Challenge an user key.",
+        "parameters": [
+          {
+            "type": "string",
+            "name": "challenge",
+            "description": "Challenge to be signed in base64."
+          },
+          {
+            "type": "boolean",
+            "name": "registerKey",
+            "description": "If true, the key will be registered."
+          },
+          {
+            "type": "function",
+            "name": "callback",
+            "description": "Callback function.",
+            "parameters": [
+              {
+                "name": "response",
+                "description": "Response in base64.",
+                "type": "string"
+              }
+            ]
+          }
+        ]
+      }
+    ]
+  }
+]