base: Change DCHECK_IS_ON to a macro DCHECK_IS_ON().

extensions/renderer/resources/event.js

 // Copyright 2014 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.
 
   var exceptionHandler = require('uncaught_exception_handler');
   var eventNatives = requireNative('event_natives');
   var logging = requireNative('logging');
   var schemaRegistry = requireNative('schema_registry');
   var sendRequest = require('sendRequest').sendRequest;
   var utils = require('utils');
@@ skipping 341 matching lines @@
   };
 
   EventImpl.prototype.dispatch_ = function(args, listenerIDs) {
     if (this.destroyed) {
       throw new Error(this.eventName + ' was already destroyed at: ' +
                       this.destroyed);
     }
     if (!this.eventOptions.supportsListeners)
       throw new Error("This event does not support listeners.");
 
-    if (this.argSchemas && logging.DCHECK_IS_ON()) {
+    if (this.argSchemas && !logging.DCHECK_IS_OFF()) {
       try {
         validate(args, this.argSchemas);
       } catch (e) {
         e.message += ' in ' + this.eventName;
         throw e;
       }
     }
 
     // Make a copy of the listeners in case the listener list is modified
     // while dispatching the event.
@@ skipping 144 matching lines @@
     'removeRules',
     'getRules'
   ] });
 
   // NOTE: Event is (lazily) exposed as chrome.Event from dispatcher.cc.
   exports.Event = Event;
 
   exports.dispatchEvent = dispatchEvent;
   exports.parseEventOptions = parseEventOptions;
   exports.registerArgumentMassager = registerArgumentMassager;