More trivial cleanupi of ppapi/c headers

These headers were autogenerated from ppapi/api/*.idl

BUG= http://code.google.com/p/chromium/issues/detail?id=76271^M
TEST= run try
Review URL: http://codereview.chromium.org/7399016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@92931 0039d316-1c4b-4281-b951-d872f2087c98
34 files changed