base: Change DCHECK_IS_ON to a macro DCHECK_IS_ON().

components/history/core/browser/top_sites_cache.cc

 // 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.
 
 #include "components/history/core/browser/top_sites_cache.h"
 
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 
 namespace history {
@@ skipping 118 matching lines @@
 }
 
 void TopSitesCache::CountForcedURLs() {
   num_forced_urls_ = 0;
   while (num_forced_urls_ < top_sites_.size()) {
     // Forced sites are all at the beginning.
     if (top_sites_[num_forced_urls_].last_forced_time.is_null())
       break;
     num_forced_urls_++;
   }
-#if DCHECK_IS_ON
+#if DCHECK_IS_ON()
   // In debug, ensure the cache user has no forced URLs pass that point.
   for (size_t i = num_forced_urls_; i < top_sites_.size(); ++i) {
     DCHECK(top_sites_[i].last_forced_time.is_null())
         << "All the forced URLs must appear before non-forced URLs.";
   }
 #endif
 }
 
 void TopSitesCache::GenerateCanonicalURLs() {
   canonical_urls_.clear();
@@ skipping 23 matching lines @@
   return canonical_urls_.find(CanonicalURLQuery(url).entry());
 }
 
 const GURL& TopSitesCache::GetURLFromIterator(
     CanonicalURLs::const_iterator it) const {
   DCHECK(it != canonical_urls_.end());
   return it->first.first->redirects[it->first.second];
 }
 
 }  // namespace history