Move ContentSettingsDetails and Pattern out of HostContentSettingsMap as separate classes.

chrome/browser/content_exceptions_table_model_unittest.cc

Index: chrome/browser/content_exceptions_table_model_unittest.cc
diff --git a/chrome/browser/content_exceptions_table_model_unittest.cc b/chrome/browser/content_exceptions_table_model_unittest.cc
index f467d0780c2df8d548c5bb70271e4fdf5e15653e..3c3d26dd43f3f836276807a6dee40a2219c4d06b 100644
--- a/chrome/browser/content_exceptions_table_model_unittest.cc
+++ b/chrome/browser/content_exceptions_table_model_unittest.cc
@@ -27,7 +27,7 @@ TEST_F(ContentExceptionsTableModelTest, Incognito) {
                                     otr_profile->GetHostContentSettingsMap(),
                                     CONTENT_SETTINGS_TYPE_COOKIES);
   delete otr_profile;
-  model.AddException(HostContentSettingsMap::Pattern("example.com"),
+  model.AddException(ContentSettingsPattern("example.com"),
                      CONTENT_SETTING_BLOCK, true);
 }