Fix compilation error.

DEPS

 # DEPS file that pulls down dependencies that are needed to build and
 # execute WebRTC specific tests from a Chromium checkout.
 
 vars = {
   'git_url':
      'https://chromium.googlesource.com'
 }
 
 deps = {
   'apprtc':
@@ skipping 72 matching lines @@
     # and install the required tools yourself in the tools folder.
     "pattern": "\\.sha1",
     "action": ["download_from_google_storage",
                "--directory",
                "--num_threads=10",
                "--bucket", "chrome-webrtc-resources",
                "--auto_platform",
                "--recursive",
                "src/chrome/test/data/webrtc/resources/tools"],
   },
-  {
+  #{
     # Download firefox for the Firefox AppRTC test.
     # TODO(phoglund): Disabled due to http://crbug.com/545862.
     #"pattern": ".",
     #"action" : ["python",
     #            "webrtc.DEPS/download_firefox_nightly.py",
     #            "--clean-old-firefox-archives",
     #            "--target-dir",
     #            "firefox-nightly"],
-  },
+  #},
 ]