Add migration from CaCert NSS nicknames to PEM.

chromeos/network/network_state.h

Index: chromeos/network/network_state.h
diff --git a/chromeos/network/network_state.h b/chromeos/network/network_state.h
index 5263d006e649b917cac48a9ba0dd5c15503c739a..f1777943b25349b19823e55f2a065b6b4b0c3885 100644
--- a/chromeos/network/network_state.h
+++ b/chromeos/network/network_state.h
@@ -74,6 +74,9 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   const std::string& post_method() const { return post_method_; }
   const std::string& post_data() const { return post_data_; }
 
+  // Whether this network has a CACertNSS nickname set.
+  bool HasCACertNSS() const { return has_ca_cert_nss_; }
+
   // Returns true if |connection_state_| is a connected/connecting state.
   bool IsConnectedState() const;
   bool IsConnectingState() const;
@@ -154,6 +157,10 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   std::string post_method_;
   std::string post_data_;
 
+  // Whether a deprecated CaCertNSS property of this network is set. Required
+  // for migration to PEM.
+  bool has_ca_cert_nss_;
+
   DISALLOW_COPY_AND_ASSIGN(NetworkState);
 };