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

talk/app/webrtc/peerconnectioninterface_unittest.cc

Index: talk/app/webrtc/peerconnectioninterface_unittest.cc
diff --git a/talk/app/webrtc/peerconnectioninterface_unittest.cc b/talk/app/webrtc/peerconnectioninterface_unittest.cc
index a0e882664fad98f6d1bdd4b009c0778213290889..18069e9337517cc60100faf22af0a417f6f16980 100644
--- a/talk/app/webrtc/peerconnectioninterface_unittest.cc
+++ b/talk/app/webrtc/peerconnectioninterface_unittest.cc
@@ -32,7 +32,7 @@
 #include "talk/app/webrtc/mediastreaminterface.h"
 #include "talk/app/webrtc/peerconnectioninterface.h"
 #include "talk/app/webrtc/test/fakeconstraints.h"
-#include "talk/app/webrtc/test/fakedtlsidentityservice.h"
+#include "talk/app/webrtc/test/fakedtlsidentitystore.h"
 #include "talk/app/webrtc/test/mockpeerconnectionobservers.h"
 #include "talk/app/webrtc/test/testsdpstrings.h"
 #include "talk/app/webrtc/videosource.h"
@@ -264,17 +264,17 @@ class PeerConnectionInterfaceTest : public testing::Test {
           webrtc::MediaConstraintsInterface::kEnableDtlsSrtp, false);
     }
 
-    FakeIdentityService* dtls_service = NULL;
+    dtls_identity_store_.reset(nullptr);
     bool dtls;
     if (FindConstraint(constraints,
                        webrtc::MediaConstraintsInterface::kEnableDtlsSrtp,
                        &dtls,
-                       NULL) && dtls) {
-      dtls_service = new FakeIdentityService();
+                       nullptr) && dtls) {
+      dtls_identity_store_.reset(new FakeDtlsIdentityStore());
     }
     pc_ = pc_factory_->CreatePeerConnection(servers, constraints,
                                             port_allocator_factory_.get(),
-                                            dtls_service,
+                                            dtls_identity_store_.get(),
                                             &observer_);
     ASSERT_TRUE(pc_.get() != NULL);
     observer_.SetPeerConnectionInterface(pc_.get());
@@ -561,6 +561,7 @@ class PeerConnectionInterfaceTest : public testing::Test {
   scoped_refptr<webrtc::PeerConnectionFactoryInterface> pc_factory_;
   scoped_refptr<PeerConnectionInterface> pc_;
   MockPeerConnectionObserver observer_;
+  scoped_ptr<webrtc::DtlsIdentityStoreInterface> dtls_identity_store_;
 };
 
 TEST_F(PeerConnectionInterfaceTest,