Transfer SecurityOrigin overrides to Workers.

Source/platform/weborigin/SecurityOrigin.cpp

Index: Source/platform/weborigin/SecurityOrigin.cpp
diff --git a/Source/platform/weborigin/SecurityOrigin.cpp b/Source/platform/weborigin/SecurityOrigin.cpp
index d7fa491ac78a309157a4a887491d99396197f9cf..e5e26f835dee83cdbf8a80f9996d4ae096584639 100644
--- a/Source/platform/weborigin/SecurityOrigin.cpp
+++ b/Source/platform/weborigin/SecurityOrigin.cpp
@@ -531,4 +531,17 @@ const String& SecurityOrigin::urlWithUniqueSecurityOrigin()
     return uniqueSecurityOriginURL;
 }
 
+SecurityOrigin::PolicyOverrides SecurityOrigin::policyOverrides() const
+{
+    return PolicyOverrides(m_universalAccess, m_enforceFilePathSeparation);
+}
+
+void SecurityOrigin::applyPolicyOverrides(const SecurityOrigin::PolicyOverrides& policyOverrides)
+{
+    // Individual overrides does not have does-not-apply value;

[Mike West, 2014/09/26 11:29:10]

Nit: I think you can drop this clause: "The policy will be applied in its
entirety, without exception." is probably clear enough.

+    // the policy will be transferred/applied in its entirety.
+    m_universalAccess = policyOverrides.grantUniversalAccess();
+    m_enforceFilePathSeparation = policyOverrides.enforceFilePathSeparation();
+}
+
 } // namespace blink