Make the constants in the chrome.storage API actual powers of 2, and comma-

chrome/common/extensions/api/storage.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": "storage",
     "unprivileged": true,
     "types": [
       {
@@ skipping 31 matching lines @@
                     "description": "Storage items to return in the callback, where the values are replaced with those from storage if they exist.",
                     "additionalProperties": { "type": "any" }
                   }
                 ],
                 "description": "A single key to get, list of keys to get, or a dictionary specifying default values (see description of the object).  An empty list or object will return an empty result object.  Pass in <code>null</code> to get the entire contents of storage.",
                 "optional": true
               },
               {
                 "name": "callback",
                 "type": "function",
-                "description": "Callback with storage items, or on failure (in which case lastError will be set).",
+                "description": "Callback with storage items, or on failure (in which case <a href='extension.html#property-lastError'>chrome.extension.lastError</a> will be set).",
                 "parameters": [
                   {
                     "name": "items",
                     "type": "object",
                     "additionalProperties": { "type": "any" },
                     "description": "Object with items in their key-value mappings."
                   }
                 ]
               }
             ]
           },
           {
             "name": "getBytesInUse",
             "type": "function",
             "description": "Gets the amount of space (in bytes) being used by one or more items.",
             "parameters": [
               {
                 "name": "keys",
                 "choices": [
                   { "type": "string" },
                   { "type": "array", "items": { "type": "string" } }
                 ],
                 "description": "A single key or list of keys to get the total usage for. An empty list will return 0. Pass in <code>null</code> to get the total usage of all of storage.",
                 "optional": true
               },
               {
                 "name": "callback",
                 "type": "function",
-                "description": "Callback with the amount of space being used by storage, or on failure (in which case lastError will be set).",
+                "description": "Callback with the amount of space being used by storage, or on failure (in which case <a href='extension.html#property-lastError'>chrome.extension.lastError</a> will be set).",
                 "parameters": [
                   {
                     "name": "bytesInUse",
                     "type": "integer",
                     "description": "Amount of space being used in storage, in bytes."
                   }
                 ]
               }
             ]
           },
           {
             "name": "set",
             "type": "function",
             "description": "Sets multiple items.",
             "parameters": [
               {
                 "name": "items",
                 "type": "object",
                 "additionalProperties": { "type": "any" },
                 "description": "Object specifying items to augment storage with. Values that cannot be serialized (functions, etc) will be ignored."
               },
               {
                 "name": "callback",
                 "type": "function",
-                "description": "Callback on success, or on failure (in which case lastError will be set).",
+                "description": "Callback on success, or on failure (in which case <a href='extension.html#property-lastError'>chrome.extension.lastError</a> will be set).",
                 "parameters": [],
                 "optional": true
               }
             ]
           },
           {
             "name": "remove",
             "type": "function",
             "description": "Removes one or more items from storage.",
             "parameters": [
               {
                 "name": "keys",
                 "choices": [
                   {"type": "string"},
                   {"type": "array", "items": {"type": "string"}, "minItems": 1}
                 ],
                 "description": "A single key or a list of keys for items to remove."
               },
               {
                 "name": "callback",
                 "type": "function",
-                "description": "Callback on success, or on failure (in which case lastError will be set).",
+                "description": "Callback on success, or on failure (in which case <a href='extension.html#property-lastError'>chrome.extension.lastError</a> will be set).",
                 "parameters": [],
                 "optional": true
               }
             ]
           },
           {
             "name": "clear",
             "type": "function",
             "description": "Removes all items from storage.",
             "parameters": [
               {
                 "name": "callback",
                 "type": "function",
-                "description": "Callback on success, or on failure (in which case lastError will be set).",
+                "description": "Callback on success, or on failure (in which case <a href='extension.html#property-lastError'>chrome.extension.lastError</a> will be set).",
                 "parameters": [],
                 "optional": true
               }
             ]
           }
         ]
       }
     ],
     "events": [
       {
@@ skipping 38 matching lines @@
           }
         }
       },
       "local": {
         "$ref": "StorageArea",
         "description": "Items under the \"local\" namespace are local to each machine.",
         "value": [ "local" ],
         "properties": {
           "QUOTA_BYTES": {
             "type": "integer",
-            "value": "5120000",
-            "description": "The maximum amount (in bytes) of data that can be stored in local storage. This value may be ignored if the extension has the <code>unlimitedStorage</code> permission."
+            "value": "5242880",
+            "description": "The maximum amount (in bytes) of data that can be stored in local storage. This value will be ignored if the extension has the <code>unlimitedStorage</code> permission."
           }
         }
       }
     }
   }
 ]