Add CheckAndroidManagement to ARC sign-in flow.

chrome/browser/policy/test/policy_testserver.py

Index: chrome/browser/policy/test/policy_testserver.py
diff --git a/chrome/browser/policy/test/policy_testserver.py b/chrome/browser/policy/test/policy_testserver.py
index 316d855de6ceb6784937dd47d4f7f6816e0420e4..855ea22ce36aae1b04715068edc221814435b5fd 100644
--- a/chrome/browser/policy/test/policy_testserver.py
+++ b/chrome/browser/policy/test/policy_testserver.py
@@ -290,7 +290,8 @@ class PolicyRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
     # device_management_backend.proto.
     if (self.GetUniqueParam('devicetype') != '2' or
         self.GetUniqueParam('apptype') != 'Chrome' or
-        len(self.GetUniqueParam('deviceid')) >= 64):
+        (self.GetUniqueParam('deviceid') is not None and
+         len(self.GetUniqueParam('deviceid')) >= 64)):
       return (400, 'Invalid request parameter')
     if request_type == 'register':
       response = self.ProcessRegister(rmsg.register_request)
@@ -314,6 +315,10 @@ class PolicyRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
       response = self.ProcessDeviceAttributeUpdateRequest()
     elif request_type == 'remote_commands':
       response = self.ProcessRemoteCommandsRequest()
+    elif request_type == 'check_android_management':
+      response = self.ProcessCheckAndroidManagementRequest(
+          rmsg.check_android_management_request,
+          str(self.GetUniqueParam('oauth_token')))
     else:
       return (400, 'Invalid request parameter')
 
@@ -624,6 +629,24 @@ class PolicyRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
     """
     return (200, '')
 
+  def ProcessCheckAndroidManagementRequest(self, msg, oauth_token):
+    """Handles a check android management request.

[bartfab (slow), 2016/05/02 14:55:49]

Nit: s/android/Android/

[Polina Bondarenko, 2016/05/03 13:41:55]

Done.

+
+    Returns:
+      A tuple of HTTP status code and response data to send to the client.
+    """
+    check_android_management_response = dm.CheckAndroidManagementResponse()
+
+    response = dm.DeviceManagementResponse()
+    response.check_android_management_response.CopyFrom(
+        check_android_management_response)
+    if oauth_token == 'managed-auth-token':
+      return (409, response)
+    elif oauth_token == 'unmanaged-auth-token':
+      return (200, response)
+    else:
+      return (403, response)
+
   def SetProtobufMessageField(self, group_message, field, field_value):
     """Sets a field in a protobuf message.