Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@282860 0039d316-1c4b-4281-b951-d872f2087c98

.DEPS.git

@@ -9,7 +9,7 @@ vars = {
     'git_url':
          'https://chromium.googlesource.com',
     'webkit_rev':
-         '@5ed45162d38ae35f3e60f0464b8e615ae2757cf0',
+         '@d8ab5b01b1cdaf754d1468e0f3187fcfdefd4b15',
     'angle_revision':
          '787fc03f15a0c4440d023659f267175fa3979808'
 }