Make all quota-exceeding messages in the storage API explain what the failure

chrome/common/extensions/api/bookmarks.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": "bookmarks",
     "uses_feature_system": true,
     "channel": "stable",
     "dependencies": ["permission:bookmarks"],
     "contexts": ["blessed_extension"],
+    "properties": {
+      "MAX_WRITE_OPERATIONS_PER_HOUR": {
+        "value": 100,
+        "description": "The maximum number of <code>move</code>, <code>update</code>, <code>create</code>, or <code>remove</code> operations that can be performed each hour. Updates that would cause this limit to be exceeded fail."
+      },
+      "MAX_SUSTAINED_WRITE_OPERATIONS_PER_MINUTE": {
+        "value": 2,
+        "description": "The maximum number of <code>move</code>, <code>update</code>, <code>create</code>, or <code>remove</code> operations that can be performed each minute, sustained over 10 minutes. Updates that would cause this limit to be exceeded fail."
+      }
+    },
     "types": [
       {
         "id": "BookmarkTreeNode",
         "type": "object",
         "description": "A node (either a bookmark or a folder) in the bookmark tree.  Child nodes are ordered within their parent folder.",
         "properties": {
           "id": {
             "type": "string",
             "minimum": 0,
             "description": "The unique identifier for the node. IDs are unique within the current profile, and they remain valid even after the browser is restarted."
@@ skipping 475 matching lines @@
       },
       {
         "name": "onImportEnded",
         "type": "function",
         "description": "Fired when a bookmark import session is ended.",
         "parameters": []
       }
     ]
   }
 ]