Use less RTTI in PDFParse by adding more virtual functions.

[Arnaud Versini (via Code Review)]

Arnaud Versini has abandoned this change.

Change subject: Use less RTTI in PDFParse by adding more virtual functions.
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Patch Set 3: Abandoned

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Gerrit-MessageType: abandon
Gerrit-Change-Id: I0e394f5f28874e66c833adfe6440f138321d6455
Gerrit-PatchSet: 3
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Arnaud Versini <arnaud.versini at gmail.com>
Gerrit-Reviewer: Arnaud Versini <arnaud.versini at gmail.com>