Update processor.gyp file with new files added as part of microdump processing upcoming implementation.
Update processor.gyp file with new files added as part of microdump
processing upcoming implementation.

dump_context.cc and dump_object.cc added in r/1370
microdump_processor.cc and microdump_processor_unittest.cc added in
r/1372

BUG=chromium:410294



git-svn-id: 7939527bf0a06ad24ad020f729d5600cb42ed5d7@1373 4c0a9323-5329-0410-9bdc-e9ce6186880e

bittorrent/breakpad,bittorrent/breakpad,bittorrent/breakpad,bittorrent/breakpad,bittorrent/breakpad,bittorrent/breakpad,bittorrent/breakpad