Move processes API to dev channel

chrome/common/extensions/api/processes.json

 // 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.processes",
-    "description": "Use the <code>chrome.experimental.processes</code> API to interact with the browser's processes.",
+    "namespace": "processes",
+    "description": "Use the <code>chrome.processes</code> API to interact with the browser's processes.",
     "types": [
       {
         "id": "Process",
         "type": "object",
         "description": "An object containing information about one of the browser's processes.",
         "properties": {
           "id": {
             "type": "integer",
             "description": "Unique ID of the process provided by the browser."
           },
@@ skipping 235 matching lines @@
           {
             "name": "exitCode",
             "description": "The exit code if the process exited abnormally. Only available for renderer processes.",
             "type": "integer"
           }
         ]
       }
     ]
   }
 ]