Revert Skia roll r635:632, since it introduced a page cycler perf regression.

BUG=67112
TEST=none
TBR=chase

Review URL: http://codereview.chromium.org/5837002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69408 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -5,7 +5,7 @@ vars = {
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
   "webkit_revision": "74182",
-  "skia_revision": "635",
+  "skia_revision": "632",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "40423",
   "nacl_revision": "3764",