Move third_party/clang to cloud storage

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 169 matching lines @@
   "src/dart/third_party/pkg/web_components":
       (Var("github_mirror") % "web-components") + Var("web_components_rev"),
   "src/dart/third_party/pkg/yaml":
       (Var("github_mirror") % "yaml") + Var("yaml_rev"),
 
   # TODO(sigmund): should be src/dart/third_party/pkg/unittest (dartbug.com/21949)
   "src/dart/pkg/unittest":
       (Var("github_mirror") % "test") + Var("unittest_tag"),
 
   "src/dart/third_party/WebCore":
-    "https://github.com/dart-lang/webcore.git" + Var("WebCore_rev")
+    "https://github.com/dart-lang/webcore.git" + Var("WebCore_rev"),
 
   "src/dart/tests/co19/src":
       (Var("github_mirror") % "co19") + Var("co19_rev"),
 
   "src/dart/third_party/zlib":
       Var("chromium_git") + "/chromium/src/third_party/zlib.git" +
       Var("zlib_rev"),
 })
 
 deps_os['win'].update({
@@ skipping 53 matching lines @@
     "--no_resume",
     "--bucket",
     "dart-dependencies",
     "--recursive",
     "--auto_platform",
     "--extract",
     "--directory",
     "src/dart/tools/sdks",
   ],
 })