Rename Origin.unique() to opaque().

components/url_pattern_index/url_pattern_index.cc

Index: components/url_pattern_index/url_pattern_index.cc
diff --git a/components/url_pattern_index/url_pattern_index.cc b/components/url_pattern_index/url_pattern_index.cc
index 38d75e811eec7f1484a89816e0a77ef9242c10ee..91a7e55a7b57436a75626b8284710556a60fc421 100644
--- a/components/url_pattern_index/url_pattern_index.cc
+++ b/components/url_pattern_index/url_pattern_index.cc
@@ -441,7 +441,7 @@ size_t GetLongestMatchingSubdomain(const url::Origin& origin,
   }
   // Otherwise look for each subdomain of the |origin| using binary search.
 
-  DCHECK(!origin.unique());
+  DCHECK(!origin.opaque());
   base::StringPiece canonicalized_host(origin.host());
   if (canonicalized_host.empty())
     return 0;
@@ -497,8 +497,8 @@ bool DoesOriginMatchDomainList(const url::Origin& origin,
   if (disable_generic_rules && is_generic)
     return false;
 
-  // Unique |origin| matches lists of exception domains only.
-  if (origin.unique())
+  // Opaque |origin| matches lists of exception domains only.
+  if (origin.opaque())
     return is_generic;
 
   size_t longest_matching_included_domain_length = 1;