Update to latest ppapi.

TBR=brettw

Review URL: http://codereview.chromium.org/2799046

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@51232 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -158,7 +158,7 @@ deps = {
     Var("libvpx_revision"),
 
   "src/third_party/ppapi":
-    "http://ppapi.googlecode.com/svn/trunk@79",
+    "http://ppapi.googlecode.com/svn/trunk@82",
 
   "src/third_party/libjingle/source":
     "http://libjingle.googlecode.com/svn/branches/nextsnap@" +