- Removes some 'pepper_flash_*' files that were removed from the build.
- Removes PPB_Flash_File and PPB_Proxy_Private that are now unused.
- Removes assorted things in content/ and ppapi/ that are no longer
relevant without Flash.
- Removes PepperPluginInstanceImpl::is_flash_plugin method.
Bug: chromium:1064652
Change-Id: I6905b64de90a58668e007a1282a6b6b248506358
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2481283
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818732}
841dc750d6