Content settings pattern trim trailing dots from hostnames before matching a URL.

chrome/browser/content_settings/content_settings_pattern_unittest.cc

Index: chrome/browser/content_settings/content_settings_pattern_unittest.cc
diff --git a/chrome/browser/content_settings/content_settings_pattern_unittest.cc b/chrome/browser/content_settings/content_settings_pattern_unittest.cc
index 57078d277f7497bc5f415e459e03f90e1bc70105..11bef1e925a250f71b3c967d2a43178c3fa06371 100644
--- a/chrome/browser/content_settings/content_settings_pattern_unittest.cc
+++ b/chrome/browser/content_settings/content_settings_pattern_unittest.cc
@@ -137,6 +137,20 @@ TEST(ContentSettingsPatternTest, Wildcard) {
                 ContentSettingsPattern::Wildcard()));
 }
 
+TEST(ContentSettingsPatternTest, TrimEndingDotFromHost) {
+  EXPECT_TRUE(Pattern("www.example.com").IsValid());
+  EXPECT_TRUE(Pattern("www.example.com").Matches(
+      GURL("http://www.example.com")));
+  EXPECT_TRUE(Pattern("www.example.com").Matches(
+      GURL("http://www.example.com.")));
+
+  EXPECT_TRUE(Pattern("www.example.com.").IsValid());
+  EXPECT_STREQ("www.example.com",
+               Pattern("www.example.com.").ToString().c_str());
+
+  EXPECT_TRUE(Pattern("www.example.com.") == Pattern("www.example.com"));
+}
+
 TEST(ContentSettingsPatternTest, FromString_WithNoWildcards) {
   // HTTP patterns with default port.
   EXPECT_TRUE(Pattern("http://www.example.com:80").IsValid());