Replace ENABLE(ASSERT) with DCHECK_IS_ON().

third_party/WebKit/Source/core/fileapi/File.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 198 matching lines @@
   File(const String& name, const FileMetadata&, UserVisibility);
   File(const KURL& fileSystemURL, const FileMetadata&, UserVisibility);
   File(const File&);
 
   void invalidateSnapshotMetadata() { m_snapshotSize = -1; }
 
   // Returns File's last modified time (in MS since Epoch.)
   // If the modification time isn't known, the current time is returned.
   double lastModifiedMS() const;
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   // Instances backed by a file must have an empty file system URL.
   bool hasValidFileSystemURL() const {
     return !hasBackingFile() || m_fileSystemURL.isEmpty();
   }
   // Instances not backed by a file must have an empty path set.
   bool hasValidFilePath() const { return hasBackingFile() || m_path.isEmpty(); }
 #endif
 
   bool m_hasBackingFile;
   UserVisibility m_userVisibility;
@@ skipping 10 matching lines @@
   const double m_snapshotModificationTimeMS;
 
   String m_relativePath;
 };
 
 DEFINE_TYPE_CASTS(File, Blob, blob, blob->isFile(), blob.isFile());
 
 }  // namespace blink
 
 #endif  // File_h