Rolling libjingle to 158:159

DEPS

 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 
 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
   "sourceforge_url": "http://%(repo)s.svn.sourceforge.net/svnroot/%(repo)s",
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
@@ skipping 28 matching lines @@
       "7bbb4b1d4cc55b5855c86e174fc09c5213e665c2",
   "nacl_toolchain_pnacl_win_x86_32_hash":
       "f12a43ce3156dc0e7958fdee112dd2025575cb28",
   "nacl_toolchain_win_x86_hash":
       "a65981a52a9e8efd06d45c7347e31acdfe2d8c92",
   "nacl_toolchain_win_x86_newlib_hash":
       "2a88bdecf2a53000bddc775ca632f732d3d9fe2b",
   "nacl_toolchain_revision": "9093",
   "pnacl_toolchain_revision": "9117",
 
-  "libjingle_revision": "157",
+  "libjingle_revision": "158",
   "libphonenumber_revision": "456",
   "libvpx_revision": "134182",
   "lss_revision": "11",
 
   # These two FFmpeg variables must be updated together.  One is used for SVN
   # checkouts and the other for Git checkouts.
   "ffmpeg_revision": "142289",
   "ffmpeg_hash": "23f177366e3bce3a628a7d3feedceed4e18dcc04",
 
   "sfntly_revision": "134",
@@ skipping 499 matching lines @@
     "pattern": ".",
     "action": ["python", "src/build/util/lastchange.py",
                "-o", "src/build/util/LASTCHANGE"],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
 ]