Fix some issues with buildbot recipe change.

tools/deps/dartium.deps/DEPS

 
 import gclient_utils
 import os
 
 path = gclient_utils.FindGclientRoot(os.getcwd())
 execfile(os.path.join(path, 'src', 'dart', 'tools', 'deps', 'dartium.deps', 'DEPS.chromium')) # Include proper Chromium DEPS.
 
 # Now we need to override some settings and add some new ones.
 
 vars.update({
@@ skipping 173 matching lines @@
 deps_os['unix'].update({
   "src/chrome/tools/test/reference_build/chrome_linux": None
 })
 
 hooks[0:0] = [{
     "pattern": "dart",
     "action": ["python", "src/dart/tools/dartium/generate_dart_vm_version.py"],
   }]
 
 hooks.append({
-  # Set the revision for a lazily downloaded reference build of chromium,
-  # with which to run perf tests.
-  'name': 'set_reference_build',
-  'pattern': '.',
-  'action': ['python',
-             'src/dart/tools/bots/set_reference_build_revision.py',
-             Var('chromium_base_revision')],
-})
-#hooks.append({
-  # Peg the blink version number in LASTCHANGE.blink to be the upstream
-  # webkit_revision number so that chrome remote devtools pulls assets from
-  # the right place.
-#  "name": "lastchange",
-#  "pattern": ".",
-#  "action": ["python", "-c",
-#      "f=open('src/build/util/LASTCHANGE.blink','w'); f.write('LASTCHANGE=" +
-#      Var('webkit_revision') + "\\n')" ],
-#})
-hooks.append({
   "name": "checked_in_dart_sdks",
   "pattern": ".",
   "action": [
     "download_from_google_storage",
     "--no_auth",
     "--no_resume",
     "--bucket",
     "dart-dependencies",
     "--recursive",
     "--auto_platform",
@@ skipping 11 matching lines @@
     "download_from_google_storage",
     "--no_auth",
     "--no_resume",
     "--bucket",
     "dart-dependencies",
     "--extract",
     "-s",
     "src/dart/third_party/pkg/unittest.tar.gz.sha1",
   ],
 })