kill IPDF_DocParser().

kill IPDF_DocParser().

Its fine to program to interfaces, but since the sole concrete implementation
is in the same header as the interface, the code is bypassing it anyways. We
can de-virtualize some things along the way, and remove two non-existent
function prototypes from one of the headers.

R=thestig@chromium.org

Committed: https://pdfium.googlesource.com/pdfium/+/e06b686620286dfe604693e12e70a4077625eae5

[Tom Sepez, 2015-06-02 21:06:37]

Lei, for review.

[Lei Zhang, 2015-06-02 21:15:23]

lgtm

https://codereview.chromium.org/1158053003/diff/1/core/include/fpdfapi/fpdf_p...
File core/include/fpdfapi/fpdf_parser.h (right):

https://codereview.chromium.org/1158053003/diff/1/core/include/fpdfapi/fpdf_p...
core/include/fpdfapi/fpdf_parser.h:64: CPDF_Document(CPDF_Parser* pParser);
explicit

[Tom Sepez, 2015-06-02 21:18:42]

https://codereview.chromium.org/1158053003/diff/1/core/include/fpdfapi/fpdf_p...
File core/include/fpdfapi/fpdf_parser.h (right):

https://codereview.chromium.org/1158053003/diff/1/core/include/fpdfapi/fpdf_p...
core/include/fpdfapi/fpdf_parser.h:64: CPDF_Document(CPDF_Parser* pParser);
On 2015/06/02 21:15:23, Lei Zhang wrote:
> explicit

Done.

[Tom Sepez, 2015-06-02 21:19:04]

Committed patchset #2 (id:20001) manually as
e06b686620286dfe604693e12e70a4077625eae5 (presubmit successful).