Use PPAPI from chrome trunk rather than pulling via deps.

This is a re-land from r64716.

This is identical with an an include directory changed in the ppapi repo which
I'm hoping was what was confusing everything.

git-svn-id: http://src.chromium.org/svn/trunk/src/build@64718 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

all.gyp

@@ -20,6 +20,7 @@
         '../jingle/jingle.gyp:*',
         '../media/media.gyp:*',
         '../net/net.gyp:*',
+        '../ppapi/ppapi.gyp:*',
         '../printing/printing.gyp:*',
         '../sdch/sdch.gyp:*',
         '../skia/skia.gyp:*',
@@ -40,7 +41,6 @@
         '../third_party/mesa/mesa.gyp:*',
         '../third_party/modp_b64/modp_b64.gyp:*',
         '../third_party/npapi/npapi.gyp:*',
-        '../third_party/ppapi/ppapi.gyp:*',
         '../third_party/ots/ots.gyp:*',
         '../third_party/sqlite/sqlite.gyp:*',
         '../third_party/WebKit/WebKit/chromium/WebKit.gyp:*',