Use JSON schema compiler in chrome.management code

chrome/common/extensions/api/management.json

Index: chrome/common/extensions/api/management.json
diff --git a/chrome/common/extensions/api/management.json b/chrome/common/extensions/api/management.json
index e163903e4b75d72965ef78e27effba0b2094ceb5..0c2c69d9dc3d8a84dd619cf50f585d42fbe9a4bd 100644
--- a/chrome/common/extensions/api/management.json
+++ b/chrome/common/extensions/api/management.json
@@ -100,8 +100,9 @@
             }
           },
           "installType": {
-            "description": "How the extension was installed (\"admin\", \"development\", \"normal\", \"sideload\", \"other\"). \"admin\" means the extension was installed because of an administrative policy. \"development\" means the extension was loaded unpacked in developer mode. \"normal\" means the extension was installed normally via a .crx file. \"sideload\" means the extension was installed by other software on the machine. \"other\" means the extension was installed by other means.",
-            "type": "string"
+            "description": "How the extension was installed. One of<br><var>admin</var>: The extension was installed because of an administrative policy,<br><var>development</var>: The extension was loaded unpacked in developer mode,<br><var>normal</var>: The extension was installed normally via a .crx file,<br><var>sideload</var>: The extension was installed by other software on the machine,<br><var>other</var>: The extension was installed by other means.",
+            "type": "string",
+            "enum": ["admin", "development", "normal", "sideload", "other"]
           }
         }
       }