Add optional mandatory policy setting for template generation

grit/format/policy_templates/writers/template_writer.py

Index: grit/format/policy_templates/writers/template_writer.py
diff --git a/grit/format/policy_templates/writers/template_writer.py b/grit/format/policy_templates/writers/template_writer.py
index 2a8b548b193bb84e552e3c326a55917d48c5adc6..219fe40797824e62f874005bdd4a46cd15e24b98 100644
--- a/grit/format/policy_templates/writers/template_writer.py
+++ b/grit/format/policy_templates/writers/template_writer.py
@@ -87,6 +87,10 @@ class TemplateWriter(object):
     '''Checks if the given policy can be recommended.'''
     return policy.get('features', {}).get('can_be_recommended', False)
 
+  def CanBeMandatory(self, policy):
+    '''Checks if the given policy can be mandatory.'''
+    return policy.get('features', {}).get('can_be_mandatory', True)

[Joao da Silva, 2014/09/05 14:55:04]

The default dict for 'features' must contain 'can_be_mandatory: True' for the
default case to work for policies that don't set any features

+
   def IsPolicySupportedOnPlatform(self, policy, platform):
     '''Checks if |policy| is supported on |platform|.
 
@@ -155,7 +159,8 @@ class TemplateWriter(object):
             self.WriteRecommendedPolicy(child_policy)
           self.EndRecommendedPolicyGroup()
       elif self.IsPolicySupported(policy):
-        self.WritePolicy(policy)
+        if self.CanBeMandatory(policy):
+          self.WritePolicy(policy)
         if self.CanBeRecommended(policy):
           self.WriteRecommendedPolicy(policy)
     self.EndTemplate()