Use pepper flash if present
Use pepper flash if present

Change-Id: I80bc119f09d2251a355ad7f66d7948d03adece37

BUG=none
TEST=build with USE=pepper_flash, run it, go to about:plugins, check that libpepflashplayer.so is there. Go to Youtube and check that this one is used.

Review URL: http://codereview.chromium.org/3384025

chadversary/chromiumos.platform.login_manager,joshfire/chromiumos-platform-login_manager,chadversary/chromiumos.platform.login_manager,joshfire/chromiumos-platform-login_manager,chadversary/chromiumos.platform.login_manager,joshfire/chromiumos-platform-login_manager