Docserver: when checking for the existence of an API on a branch, just look at

chrome/common/extensions/docs/server2/branch_utility.py

Index: chrome/common/extensions/docs/server2/branch_utility.py
diff --git a/chrome/common/extensions/docs/server2/branch_utility.py b/chrome/common/extensions/docs/server2/branch_utility.py
index 7eb164c3be020f15dfad6dfe371824d14e564331..6241750da2d42c744d6443d4db3329218981b914 100644
--- a/chrome/common/extensions/docs/server2/branch_utility.py
+++ b/chrome/common/extensions/docs/server2/branch_utility.py
@@ -30,6 +30,12 @@ class ChannelInfo(object):
   def __ne__(self, other):
     return not (self == other)
 
+  def __repr__(self):
+    return '%s%s' % (type(self).__name__, repr(self.__dict__))
+
+  def __str__(self):
+    return repr(self)
+
 
 class BranchUtility(object):
   '''Provides methods for working with Chrome channel, branch, and version