Support requesting subsets of host permissions using the permissions API.

extensions/common/url_pattern_set_unittest.cc

Index: extensions/common/url_pattern_set_unittest.cc
diff --git a/extensions/common/url_pattern_set_unittest.cc b/extensions/common/url_pattern_set_unittest.cc
index 55564cfa5a39921ad56826e9e07cf7657acb499c..9c51013893f80627aa96210e3bad2a3adea18fd4 100644
--- a/extensions/common/url_pattern_set_unittest.cc
+++ b/extensions/common/url_pattern_set_unittest.cc
@@ -198,10 +198,10 @@ TEST(URLPatternSetTest, Contains) {
   EXPECT_FALSE(set1.Contains(set2));
   EXPECT_TRUE(set2.Contains(set1));
 
-  // Note that this just checks pattern equality, and not if individual patterns
-  // contain other patterns. For example:
+  // Note that this just checks if individual patterns contain other patterns,
+  // not just equality. For example:
   AddPattern(&set1, "http://*.reddit.com/*");
-  EXPECT_FALSE(set1.Contains(set2));
+  EXPECT_TRUE(set1.Contains(set2));
   EXPECT_FALSE(set2.Contains(set1));
 }