Don't set document.domain to an IP address fragment.

Source/weborigin/OriginAccessEntry.cpp

Index: Source/weborigin/OriginAccessEntry.cpp
diff --git a/Source/weborigin/OriginAccessEntry.cpp b/Source/weborigin/OriginAccessEntry.cpp
index 531877b813b935c4dd28e99c03b33d5630d69cc4..cc677f52b9a0804c4af7a68efaaa1c5f0f9bba18 100644
--- a/Source/weborigin/OriginAccessEntry.cpp
+++ b/Source/weborigin/OriginAccessEntry.cpp
@@ -35,10 +35,11 @@
 
 namespace WebCore {
 
-OriginAccessEntry::OriginAccessEntry(const String& protocol, const String& host, SubdomainSetting subdomainSetting)
+OriginAccessEntry::OriginAccessEntry(const String& protocol, const String& host, SubdomainSetting subdomainSetting, IPAddressSetting ipAddressSetting)
     : m_protocol(protocol.lower())
     , m_host(host.lower())
     , m_subdomainSettings(subdomainSetting)
+    , m_ipAddressSettings(ipAddressSetting)
 {
     ASSERT(subdomainSetting == AllowSubdomains || subdomainSetting == DisallowSubdomains);
 
@@ -67,7 +68,7 @@ bool OriginAccessEntry::matchesOrigin(const SecurityOrigin& origin) const
         return false;
 
     // Don't try to do subdomain matching on IP addresses.
-    if (m_hostIsIPAddress)
+    if (m_hostIsIPAddress && m_ipAddressSettings == TreatIPAddressAsIPAddress)
         return false;
 
     // Match subdomains.