Add the newly included FLAC third party library to the DEPS file and ignore...

DEPS

 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",
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
   "webkit_revision": "75584",
   "skia_revision": "673",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
@@ skipping 168 matching lines @@
     "/trunk/deps/third_party/speex@70427",
 
   "src/third_party/libsrtp/src":
     "/trunk/deps/third_party/libsrtp@60080",
 
   "src/third_party/yasm/source/patched-yasm":
     "/trunk/deps/third_party/yasm/patched-yasm@50870",
 
   "src/third_party/libjpeg_turbo":
     "/trunk/deps/third_party/libjpeg_turbo@66929",
+
+  "src/third_party/flac":
+    "/trunk/deps/third_party/flac@71053",
 }
 
 
 deps_os = {
   "win": {
     "src/chrome/tools/test/reference_build/chrome":
       "/trunk/deps/reference_builds/chrome@70122",
 
     "src/third_party/cygwin":
       "/trunk/deps/third_party/cygwin@66844",
@@ skipping 109 matching lines @@
 ]
 
 
 hooks = [
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
 ]