[Extensions API] Remove inline enums

chrome/common/extensions/api/debugger.json

Index: chrome/common/extensions/api/debugger.json
diff --git a/chrome/common/extensions/api/debugger.json b/chrome/common/extensions/api/debugger.json
index b08635ee5b6246ab4be52b1f917a26986463bf98..cf4e7b81d0e4ba2fb0ad4b7d437ca5f65961a77d 100644
--- a/chrome/common/extensions/api/debugger.json
+++ b/chrome/common/extensions/api/debugger.json
@@ -18,14 +18,25 @@
         }
       },
       {
+        "id": "TargetInfoType",
+        "type": "string",
+        "description": "Target type.",
+        "enum" : ["page", "background_page", "worker", "other" ]
+      },
+      {
+        "id": "DetachReason",
+        "type": "string",
+        "description": "Connection termination reason.",
+        "enum": [ "target_closed", "canceled_by_user", "replaced_with_devtools" ]
+      },
+      {
         "id": "TargetInfo",
         "type": "object",
         "description": "Debug target information",
         "properties": {
           "type": {
-            "type": "string",
-            "description": "Target type.",
-            "enum" : ["page", "background_page", "worker", "other" ]
+            "$ref": "TargetInfoType",
+            "description": "Target type."
           },
           "id": { "type": "string", "description": "Target id." },
           "tabId": { "type": "integer", "optional": true, "description": "The tab id, defined if type == 'page'." },
@@ -176,10 +187,9 @@
             "description": "The debuggee that was detached."
           },
           {
-            "type": "string",
+            "$ref": "DetachReason",
             "name": "reason",
-            "description": "Connection termination reason.",
-            "enum": [ "target_closed", "canceled_by_user", "replaced_with_devtools" ]
+            "description": "Connection termination reason."
           }
         ]
       }