Add notifications to allow desktop notification permissions to be synced.
Fix a bug where sites can be added to allow and deny lists multiple times.
BUG=none
TEST=Open two browsers with separate profiles. Request permission for notifications on a site on one. Check that the permissions are the same on the other browser.
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=44234
Review URL: http://codereview.chromium.org/1578023
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@44283 0039d316-1c4b-4281-b951-d872f2087c98
CrOS-Libchrome-Original-Commit: 84064220a7e5a37715aeb428a80b6474f9799cc2
diff --git a/base/values.h b/base/values.h
index 6c66345..248fc1d 100644
--- a/base/values.h
+++ b/base/values.h
@@ -401,6 +401,10 @@
// Appends a Value to the end of the list.
void Append(Value* in_value);
+ // Appends a Value if it's not already present.
+ // Returns true if successful, or false if the value was already present.
+ bool AppendIfNotPresent(Value* in_value);
+
// Insert a Value at index.
// Returns true if successful, or false if the index was out of range.
bool Insert(size_t index, Value* in_value);