Fix revision for WebRTC patches sent to Chromium trybots

recipe_modules/gclient/api.py

Index: recipe_modules/gclient/api.py
diff --git a/recipe_modules/gclient/api.py b/recipe_modules/gclient/api.py
index 7565fed62b3892c592abc10494f181779a8a6172..66576b6cdc6f73f9746ca2fbbdca00da6789613e 100644
--- a/recipe_modules/gclient/api.py
+++ b/recipe_modules/gclient/api.py
@@ -375,5 +375,11 @@ class GclientApi(recipe_api.RecipeApi):
     assert patch_project is None or isinstance(patch_project, basestring)
     cfg = gclient_config or self.c
     path, revision = cfg.patch_projects.get(patch_project, (None, None))
+
+    # TODO(kjellander): Remove this hack when http://crbug.com/611808 is fixed.
+    if patch_project == 'webrtc' and path == 'src/third_party':
+      assert revision == 'HEAD', 'revision was %s' % revision
+      path = 'src/third_party/webrtc'
+
     if path and revision and path not in cfg.revisions:
       cfg.revisions[path] = revision