Activity Log: allow searching by day

chrome/common/extensions/api/activity_log_private.json

 // Copyright 2013 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": "activityLogPrivate",
     "description": "none",
     "types": [
       {
@@ skipping 15 matching lines @@
       },
       {
         "id": "Filter",
         "type": "object",
         "description": "Used to specify values for a lookup.",
         "properties": {
           "extensionId": {"type": "string", "optional": true, "description": "Exact match"},
           "activityType": {"type": "string", "enum": ["api_call", "api_event", "content_script", "dom_access", "dom_event", "web_request", "any"], "description": "Exact match or any"},
           "apiCall": {"type": "string", "optional": true, "description": "Exact match"},
           "pageUrl": {"type": "string", "optional": true, "description": "Treated as a prefix"},
-          "argUrl": {"type": "string", "optional": true, "description": "Treated as a prefix"}
+          "argUrl": {"type": "string", "optional": true, "description": "Treated as a prefix"},
+          "daysAgo": {"type": "integer", "optional": true, "description": "Used to lookup a precise day; today is 0"}
         }
       },
       {
         "id": "ActivityResultSet",
         "type": "object",
         "description": "This holds the results of a lookup, the filter of the lookup, the time of the lookup, and whether there are more results that match.",
         "properties": {
           "activities": {"type": "array", "items": {"$ref": "ExtensionActivity"}}
         }
       }
@@ skipping 50 matching lines @@
         "parameters": [
           {
             "name": "activity",
             "$ref": "ExtensionActivity"
           }
         ]
       }
     ]
   }
 ]