Revert 149409 - Roll Syzygy release to r1027

This breaks the official canary build PDB source updates.

https://codereview.appspot.com/6454073/

R=siggi@chromium.org,chrisha@chromium.org

BUG=


Review URL: https://chromiumcodereview.appspot.com/10826091

TBR=rogerm@chromium.org,dharani@google.com
Review URL: https://chromiumcodereview.appspot.com/10824134

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149493 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -368,7 +368,7 @@ deps_os = {
     # Binary level profile guided optimizations. This points to the
     # latest release binaries for the toolchain.
     "src/third_party/syzygy/binaries":
-      (Var("googlecode_url") % "sawbuck") + "/trunk/syzygy/binaries@1027",
+      (Var("googlecode_url") % "sawbuck") + "/trunk/syzygy/binaries@991",
 
     # Binaries for nacl sdk.
     "src/third_party/nacl_sdk_binaries":