Changed OAuth token+secret encryption to use supplemental user key.

chrome/browser/chromeos/cros/cert_library.cc

Index: chrome/browser/chromeos/cros/cert_library.cc
===================================================================
--- chrome/browser/chromeos/cros/cert_library.cc	(revision 99168)
+++ chrome/browser/chromeos/cros/cert_library.cc	(working copy)
@@ -176,6 +176,16 @@
     return server_ca_certs_;
   }
 
+  virtual bool EncryptWithSupplementalUserKey(const std::string& raw_data,
+      std::string* encryped_data) const {
+    return crypto::EncryptWithSupplementalUserKey(raw_data, encryped_data);
+  }
+
+  virtual bool DecryptWithSupplementalUserKey(const std::string& encryped_data,
+      std::string* raw_data) const {
+    return crypto::DecryptWithSupplementalUserKey(encryped_data, raw_data);
+  }
+
   // net::CertDatabase::Observer implementation. Observer added on UI thread.
   virtual void OnCertTrustChanged(const net::X509Certificate* cert) OVERRIDE {
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));