Update references to the extension messaging APIs to point to the "runtime"

chrome/common/extensions/api/cookies.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": "cookies",
     "types": [
       {
         "id": "Cookie",
@@ skipping 100 matching lines @@
               "storeId": {"type": "string", "optional": true, "description": "The ID of the cookie store in which to set the cookie. By default, the cookie is set in the current execution context's cookie store."}
             }
           },
           {
             "type": "function",
             "name": "callback",
             "optional": true,
             "min_version": "11.0.674.0",
             "parameters": [
               {
-                "name": "cookie", "$ref": "Cookie", "optional": true, "description": "Contains details about the cookie that's been set.  If setting failed for any reason, this will be \"null\", and \"chrome.extension.lastError\" will be set."
+                "name": "cookie", "$ref": "Cookie", "optional": true, "description": "Contains details about the cookie that's been set.  If setting failed for any reason, this will be \"null\", and \"chrome.runtime.lastError\" will be set."
               }
             ]
           }
         ]
       },
       {
         "name": "remove",
         "type": "function",
         "description": "Deletes a cookie by name.",
         "parameters": [
           {
             "type": "object",
             "name": "details",
             "description": "Information to identify the cookie to remove.",
             "properties": {
               "url": {"type": "string", "description": "The URL associated with the cookie. If host permissions for this URL are not specified in the manifest file, the API call will fail."},
               "name": {"type": "string", "description": "The name of the cookie to remove."},
               "storeId": {"type": "string", "optional": true, "description": "The ID of the cookie store to look in for the cookie. If unspecified, the cookie is looked for by default in the current execution context's cookie store."}
             }
           },
           {
             "type": "function",
             "name": "callback",
             "optional": true,
             "min_version": "11.0.674.0",
             "parameters": [
               {
                 "name": "details",
                 "type": "object",
-                "description": "Contains details about the cookie that's been removed.  If removal failed for any reason, this will be \"null\", and \"chrome.extension.lastError\" will be set.",
+                "description": "Contains details about the cookie that's been removed.  If removal failed for any reason, this will be \"null\", and \"chrome.runtime.lastError\" will be set.",
                 "optional": true,
                 "properties": {
                   "url": {"type": "string", "description": "The URL associated with the cookie that's been removed."},
                   "name": {"type": "string", "description": "The name of the cookie that's been removed."},
                   "storeId": {"type": "string", "description": "The ID of the cookie store from which the cookie was removed."}
                 }
               }
             ]
           }
         ]
@@ skipping 28 matching lines @@
               "removed": {"type": "boolean", "description": "True if a cookie was removed."},
               "cookie": {"$ref": "Cookie", "description": "Information about the cookie that was set or removed."},
               "cause": {"min_version": "12.0.707.0", "type": "string", "enum": ["evicted", "expired", "explicit", "expired_overwrite", "overwrite"], "description": "The underlying reason behind the cookie's change. If a cookie was inserted, or removed via an explicit call to \"chrome.cookies.remove\", \"cause\" will be \"explicit\". If a cookie was automatically removed due to expiry, \"cause\" will be \"expired\". If a cookie was removed due to being overwritten with an already-expired expiration date, \"cause\" will be set to \"expired_overwrite\".  If a cookie was automatically removed due to garbage collection, \"cause\" will be \"evicted\".  If a cookie was automatically removed due to a \"set\" call that overwrote it, \"cause\" will be \"overwrite\". Plan your response accordingly."}
             }
           }
         ]
       }
     ]
   }
 ]