Add dependency to podofo at skia_ext branch.

R=djsollen@google.com

Author: edisonn@google.com

Review URL: https://chromiumcodereview.appspot.com/16026009

git-svn-id: http://skia.googlecode.com/svn/trunk@9464 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/DEPS b/DEPS
index 936875f..4b919cc 100644
--- a/DEPS
+++ b/DEPS
@@ -15,6 +15,7 @@
   "third_party/externals/jsoncpp" : "http://jsoncpp.svn.sourceforge.net/svnroot/jsoncpp/trunk/jsoncpp@248",
   "third_party/externals/jsoncpp-chromium" : "http://src.chromium.org/svn/trunk/src/third_party/jsoncpp@125399",
   "third_party/externals/libwebp" : "http://src.chromium.org/svn/trunk/src/third_party/libwebp@186718",
+  "third_party/externals/podofo" : "https://skia.googlesource.com/third_party/podofo.git@skia_ext",
 }
 
 deps_os = {