Hook up ProximityAuthSystem in EasyUnlockService.

components/proximity_auth/remote_device_life_cycle_impl_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/proximity_auth/remote_device_life_cycle_impl.h"
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 68 matching lines @@
 
   FakeConnection* connection_;
 
   ConnectionCallback connection_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeConnectionFinder);
 };
 
 class FakeAuthenticator : public Authenticator {
  public:
-  FakeAuthenticator() {}
-  ~FakeAuthenticator() override {}
+  FakeAuthenticator(Connection* connection) : connection_(connection) {}
+  ~FakeAuthenticator() override {
+    // This object should be destroyed immediately after authentication is
+    // complete in order not to outlive the underlying connection.
+    EXPECT_FALSE(callback_.is_null());
+    EXPECT_EQ(std::string(), connection_->remote_device().public_key);
+  }
 
   void OnAuthenticationResult(Authenticator::Result result) {
     ASSERT_FALSE(callback_.is_null());
     scoped_ptr<SecureContext> secure_context;
     if (result == Authenticator::Result::SUCCESS)
       secure_context.reset(new StubSecureContext());
     callback_.Run(result, secure_context.Pass());
   }
 
  private:
   // Authenticator:
   void Authenticate(const AuthenticationCallback& callback) override {
     ASSERT_TRUE(callback_.is_null());
     callback_ = callback;
   }
 
+  Connection* connection_;
+
   AuthenticationCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeAuthenticator);
 };
 
 // Subclass of RemoteDeviceLifeCycleImpl to make it testable.
 class TestableRemoteDeviceLifeCycleImpl : public RemoteDeviceLifeCycleImpl {
  public:
   TestableRemoteDeviceLifeCycleImpl(const RemoteDevice& remote_device)
       : RemoteDeviceLifeCycleImpl(remote_device, nullptr),
         remote_device_(remote_device) {}
 
   ~TestableRemoteDeviceLifeCycleImpl() override {}
 
   FakeConnectionFinder* connection_finder() { return connection_finder_; }
   FakeAuthenticator* authenticator() { return authenticator_; }
 
  private:
   scoped_ptr<ConnectionFinder> CreateConnectionFinder() override {
     scoped_ptr<FakeConnectionFinder> scoped_connection_finder(
         new FakeConnectionFinder(remote_device_));
     connection_finder_ = scoped_connection_finder.get();
     return scoped_connection_finder.Pass();
   }
 
   scoped_ptr<Authenticator> CreateAuthenticator() override {
-    scoped_ptr<FakeAuthenticator> scoped_authenticator(new FakeAuthenticator());
+    EXPECT_TRUE(connection_finder_);
+    scoped_ptr<FakeAuthenticator> scoped_authenticator(
+        new FakeAuthenticator(connection_finder_->connection()));
     authenticator_ = scoped_authenticator.get();
     return scoped_authenticator.Pass();
   }
 
   const RemoteDevice remote_device_;
   FakeConnectionFinder* connection_finder_;
   FakeAuthenticator* authenticator_;
 
   DISALLOW_COPY_AND_ASSIGN(TestableRemoteDeviceLifeCycleImpl);
 };
@@ skipping 134 matching lines @@
 
   // Authentication succeeds on second pass.
   Connection* connection = OnConnectionFound();
   Authenticate(Authenticator::Result::SUCCESS);
   EXPECT_TRUE(life_cycle_.GetMessenger());
   EXPECT_CALL(*this, OnLifeCycleStateChanged(_, _));
   connection->Disconnect();
 }
 
 }  // namespace proximity_auth