Remove unused functions in PpapiBlinkPlatformImpl.

Change-Id: I7d9700f70be42f30239d0b6c5a73a0c852ae416c
Reviewed-on: https://chromium-review.googlesource.com/1179723
Reviewed-by: Alexander Timin <altimin@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Commit-Queue: Yuta Kitamura <yutak@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584355}
2 files changed