m_snapshotModificationTime 124 Source/core/fileapi/File.cpp , m_snapshotModificationTime(hasSnaphotData ? lastModified : invalidFileTime()) m_snapshotModificationTime 163 Source/core/fileapi/File.cpp if (hasValidSnapshotMetadata() && isValidFileTime(m_snapshotModificationTime)) m_snapshotModificationTime 164 Source/core/fileapi/File.cpp return m_snapshotModificationTime * msPerSecond; m_snapshotModificationTime 218 Source/core/fileapi/File.cpp snapshotModificationTime = m_snapshotModificationTime; m_snapshotModificationTime 140 Source/core/fileapi/File.h const double m_snapshotModificationTime;