Use source parameter to determine policy priority.

components/policy/core/common/policy_map.cc

Index: components/policy/core/common/policy_map.cc
diff --git a/components/policy/core/common/policy_map.cc b/components/policy/core/common/policy_map.cc
index 9ad2627143cc65469a1060fd3ca6fdd9ac32c000..65940f6f7ec59a38b4caa6631c8ac85d554956c3 100644
--- a/components/policy/core/common/policy_map.cc
+++ b/components/policy/core/common/policy_map.cc
@@ -38,7 +38,10 @@ PolicyMap::Entry PolicyMap::Entry::DeepCopy() const {
 bool PolicyMap::Entry::has_higher_priority_than(
     const PolicyMap::Entry& other) const {
   if (level == other.level)
-    return scope > other.scope;
+    if (scope == other.scope)

[Thiemo Nagel, 2017/01/23 13:13:52]

This requires braces.

[Marton Hunyady, 2017/01/23 13:27:50]

Done.

+      return source > other.source;
+    else
+      return scope > other.scope;
   else
     return level > other.level;
 }