DtlsIdentityStore[Interface/Impl] updated, DtlsIdentityService to be removed

talk/app/webrtc/peerconnectioninterface.h

Index: talk/app/webrtc/peerconnectioninterface.h
diff --git a/talk/app/webrtc/peerconnectioninterface.h b/talk/app/webrtc/peerconnectioninterface.h
index ce32b50291a7a46c061bf36aabe9d7cf8d9096b2..5983cb5f5b58bbceff0d848a809aa2535e3cb625 100644
--- a/talk/app/webrtc/peerconnectioninterface.h
+++ b/talk/app/webrtc/peerconnectioninterface.h
@@ -73,6 +73,7 @@
 
 #include "talk/app/webrtc/datachannelinterface.h"
 #include "talk/app/webrtc/dtmfsenderinterface.h"
+#include "talk/app/webrtc/dtlsidentitystore.h"
 #include "talk/app/webrtc/jsep.h"
 #include "talk/app/webrtc/mediastreaminterface.h"
 #include "talk/app/webrtc/statstypes.h"
@@ -466,53 +467,6 @@ class PortAllocatorFactoryInterface : public rtc::RefCountInterface {
   ~PortAllocatorFactoryInterface() {}
 };
 
-// Used to receive callbacks of DTLS identity requests.
-class DTLSIdentityRequestObserver : public rtc::RefCountInterface {
- public:
-  virtual void OnFailure(int error) = 0;
-  // TODO(jiayl): Unify the OnSuccess method once Chrome code is updated.
-  virtual void OnSuccess(const std::string& der_cert,
-                         const std::string& der_private_key) = 0;
-  // |identity| is a scoped_ptr because rtc::SSLIdentity is not copyable and the
-  // client has to get the ownership of the object to make use of it.
-  virtual void OnSuccessWithIdentityObj(
-      rtc::scoped_ptr<rtc::SSLIdentity> identity) = 0;
-
- protected:
-  virtual ~DTLSIdentityRequestObserver() {}
-};
-
-class DTLSIdentityServiceInterface {
- public:
-  // Asynchronously request a DTLS identity, including a self-signed certificate
-  // and the private key used to sign the certificate, from the identity store
-  // for the given identity name.
-  // DTLSIdentityRequestObserver::OnSuccess will be called with the identity if
-  // the request succeeded; DTLSIdentityRequestObserver::OnFailure will be
-  // called with an error code if the request failed.
-  //
-  // Only one request can be made at a time. If a second request is called
-  // before the first one completes, RequestIdentity will abort and return
-  // false.
-  //
-  // |identity_name| is an internal name selected by the client to identify an
-  // identity within an origin. E.g. an web site may cache the certificates used
-  // to communicate with differnent peers under different identity names.
-  //
-  // |common_name| is the common name used to generate the certificate. If the
-  // certificate already exists in the store, |common_name| is ignored.
-  //
-  // |observer| is the object to receive success or failure callbacks.
-  //
-  // Returns true if either OnFailure or OnSuccess will be called.
-  virtual bool RequestIdentity(
-      const std::string& identity_name,
-      const std::string& common_name,
-      DTLSIdentityRequestObserver* observer) = 0;
-
-  virtual ~DTLSIdentityServiceInterface() {}
-};
-
 // PeerConnectionFactoryInterface is the factory interface use for creating
 // PeerConnection, MediaStream and media tracks.
 // PeerConnectionFactoryInterface will create required libjingle threads,
@@ -548,17 +502,15 @@ class PeerConnectionFactoryInterface : public rtc::RefCountInterface {
 
   virtual void SetOptions(const Options& options) = 0;
 
-  // This method takes the ownership of |dtls_identity_service|.
   virtual rtc::scoped_refptr<PeerConnectionInterface>
       CreatePeerConnection(
           const PeerConnectionInterface::RTCConfiguration& configuration,
           const MediaConstraintsInterface* constraints,
           PortAllocatorFactoryInterface* allocator_factory,
-          DTLSIdentityServiceInterface* dtls_identity_service,
+          rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
           PeerConnectionObserver* observer) = 0;
 
-  // TODO(mallinath) : Remove below versions after clients are updated
-  // to above method.
+  // TODO(hbos): Remove below version after clients are updated to above method.
   // In latest W3C WebRTC draft, PC constructor will take RTCConfiguration,
   // and not IceServers. RTCConfiguration is made up of ice servers and
   // ice transport type.
@@ -568,12 +520,12 @@ class PeerConnectionFactoryInterface : public rtc::RefCountInterface {
           const PeerConnectionInterface::IceServers& servers,
           const MediaConstraintsInterface* constraints,
           PortAllocatorFactoryInterface* allocator_factory,
-          DTLSIdentityServiceInterface* dtls_identity_service,
+          rtc::scoped_ptr<DtlsIdentityStoreInterface> dtls_identity_store,
           PeerConnectionObserver* observer) {
       PeerConnectionInterface::RTCConfiguration rtc_config;
       rtc_config.servers = servers;
       return CreatePeerConnection(rtc_config, constraints, allocator_factory,
-                                  dtls_identity_service, observer);
+                                  dtls_identity_store.Pass(), observer);
   }
 
   virtual rtc::scoped_refptr<MediaStreamInterface>