Remove custom getters for File.lastModified{Date}

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 97 matching lines @@
     virtual void close(ExecutionContext*, ExceptionState&) OVERRIDE;
 
     virtual bool isFile() const OVERRIDE { return true; }
     virtual bool hasBackingFile() const OVERRIDE { return m_hasBackingFile; }
 
     virtual void appendTo(BlobData&) const OVERRIDE;
 
     const String& path() const { ASSERT(hasValidFilePath()); return m_path; }
     const String name() const { return m_name; }
 
-    // This returns the current date and time if the file's last modification date is not known (per spec: http://www.w3.org/TR/FileAPI/#dfn-lastModifiedDate).
+    // Getter for the lastModified IDL attribute,
+    // http://dev.w3.org/2006/webapi/FileAPI/#file-attrs
+    long long lastModified() const;
+
+    // Getter for the lastModifiedDate IDL attribute,
+    // http://www.w3.org/TR/FileAPI/#dfn-lastModifiedDate
     double lastModifiedDate() const;
 
     UserVisibility userVisibility() const { return m_userVisibility; }
 
     // Returns the relative path of this file in the context of a directory selection.
     const String& webkitRelativePath() const { return m_relativePath; }
 
     // Note that this involves synchronous file operation. Think twice before calling this function.
     void captureSnapshot(long long& snapshotSize, double& snapshotModificationTime) const;
 
     // Returns true if this has a valid snapshot metadata (i.e. m_snapshotSize >= 0).
     bool hasValidSnapshotMetadata() const { return m_snapshotSize >= 0; }
 
 private:
     File(const String& path, ContentTypeLookupPolicy, UserVisibility);
     File(const String& path, const String& name, ContentTypeLookupPolicy, UserVisibility);
     File(const String& path, const String& name, const String& relativePath, UserVisibility, bool hasSnaphotData, uint64_t size, double lastModified, PassRefPtr<BlobDataHandle>);
     File(const String& name, double modificationTime, PassRefPtr<BlobDataHandle>);
     File(const String& name, const FileMetadata&);
     File(const KURL& fileSystemURL, const FileMetadata&);
 
     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)
     bool hasValidFileSystemURL() const { return hasBackingFile(); }
     // 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;
     String m_path;
     String m_name;
 
     KURL m_fileSystemURL;
 
     // If m_snapshotSize is negative (initialized to -1 by default), the snapshot metadata is invalid and we retrieve the latest metadata synchronously in size(), lastModifiedTime() and slice().
     // Otherwise, the snapshot metadata are used directly in those methods.
     long long m_snapshotSize;
     const double m_snapshotModificationTime;
 
     String m_relativePath;
 };
 
 DEFINE_TYPE_CASTS(File, Blob, blob, blob->isFile(), blob.isFile());
 
 } // namespace blink
 
 #endif // File_h