Add media dep to NaCl in preparation of shared target.

DEPS

 # DEPS files look like -*- Python -*-
 
 vars = {
   # When possible, keep chrome_rev and chromebinaries_rev at the same
   # value.  chromebinaries_rev should match LKGR so that we can download
   # the binaries, but sometimes chrome_rev needs to be more recent to get
   # source changes when LKGR is lagging too far back.
   "chromebinaries_rev": "147940",
   "chrome_rev": "147940",
   # NOTE!  These four should match their counterparts in chromium/src/DEPS.
@@ skipping 17 matching lines @@
 
 deps = {
   "base":
     Var("chromium_trunk") + "/src/base@" + Var("chrome_rev"),
   "build":
     Var("chromium_trunk") + "/src/build@" + Var("chrome_rev"),
   "chrome/test/pyautolib":
     Var("chromium_trunk") + "/src/chrome/test/pyautolib@" + Var("chrome_rev"),
   "gpu":
     Var("chromium_trunk") + "/src/gpu@" + Var("chrome_rev"),
+  "media":
+    Var("chromium_trunk") + "/src/media@" + Var("chrome_rev"),
   "native_client/tools/perf_expectations":
     Var("chromium_trunk") + "/src/tools/perf_expectations@" + Var("chrome_rev"),
   "net/tools/testserver":
     Var("chromium_trunk") + "/src/net/tools/testserver@" + Var("chrome_rev"),
   "ppapi":
     Var("chromium_trunk") + "/src/ppapi@" + Var("chrome_rev"),
   "testing/gtest":
     "http://googletest.googlecode.com/svn/trunk@" + Var("gtest_rev"),
   "third_party":
     Var("native_client_trunk") + "/src/third_party@" + Var("tools_rev"),
@@ skipping 73 matching lines @@
   {
     "pattern": ".",
     "action": ["python", "native_client/build/gyp_nacl"],
   },
 ]
 
 include_rules = [
   "+native_client/src/include",
   "+gtest",
 ]