Add method for telling the Pairing API that enrollment is complete

BUG=None

Review URL: https://codereview.chromium.org/555003002

Cr-Commit-Position: refs/heads/master@{#293879}

chrome/browser/chromeos/login/screens/host_pairing_screen.cc

@@ -124,6 +124,7 @@ void HostPairingScreen::ConfigureHost(bool accepted_eula,
 void HostPairingScreen::EnrollHost(const std::string& auth_token) {
   // TODO(zork,achuith): Enroll device, send error on error.
   // (http://crbug.com/374990)
+  controller_->SetEnrollmentComplete(true);
 }
 
 void HostPairingScreen::OnActorDestroyed(HostPairingScreenActor* actor) {

components/pairing/bluetooth_host_pairing_controller.cc

@@ -269,9 +269,19 @@ void BluetoothHostPairingController::OnPairDevicesMessage(
   // TODO(zork,achuith): Enroll device, send error on error.
   // (http://crbug.com/374990)
   // For now, test domain is sent in the access token.
-  enrollment_domain_ = message.parameters().admin_access_token();
-  ChangeStage(STAGE_PAIRING_DONE);
-  SendHostStatus();
+  FOR_EACH_OBSERVER(Observer, observers_,
+                    EnrollHost(message.parameters().admin_access_token()));
+}
+
+void BluetoothHostPairingController::SetEnrollmentComplete(bool success) {
+  DCHECK_EQ(current_stage_, STAGE_ENROLLING);
+  DCHECK(thread_checker_.CalledOnValidThread());
+  if (success) {
+    ChangeStage(STAGE_PAIRING_DONE);
+    SendHostStatus();
+  } else {
+    AbortWithError(PAIRING_ERROR_PAIRING_OR_ENROLLMENT, kErrorEnrollmentFailed);
+  }
 }
 
 void BluetoothHostPairingController::OnCompleteSetupMessage(

components/pairing/bluetooth_host_pairing_controller.h

@@ -67,6 +67,7 @@ class BluetoothHostPairingController
   virtual std::string GetConfirmationCode() OVERRIDE;
   virtual std::string GetEnrollmentDomain() OVERRIDE;
   virtual void OnUpdateStatusChanged(UpdateStatus update_status) OVERRIDE;
+  virtual void SetEnrollmentComplete(bool success) OVERRIDE;
 
   // ProtoDecoder::Observer:
   virtual void OnHostStatusMessage(

components/pairing/bluetooth_pairing_constants.cc

@@ -10,6 +10,7 @@ const char* kPairingServiceUUID = "f035ff16-c025-468e-bb16-967704d141ea";
 const char* kPairingServiceName = "ChromeboxPairing";
 const char* kDeviceNamePrefix = "Chromebox_";
 const char* kErrorInvalidProtocol = "Invalid protocol";
+const char* kErrorEnrollmentFailed = "Enrollment failed";
 const int kPairingAPIVersion = 1;
 
 }  // namespace pairing_chromeos

components/pairing/bluetooth_pairing_constants.h

@@ -11,6 +11,7 @@ extern const char* kPairingServiceUUID;
 extern const char* kPairingServiceName;
 extern const char* kDeviceNamePrefix;
 extern const char* kErrorInvalidProtocol;
+extern const char* kErrorEnrollmentFailed;
 extern const int kPairingAPIVersion;
 
 enum {

components/pairing/fake_host_pairing_controller.cc

@@ -128,6 +128,9 @@ void FakeHostPairingController::OnUpdateStatusChanged(
     UpdateStatus update_status) {
 }
 
+void FakeHostPairingController::SetEnrollmentComplete(bool success) {
+}
+
 void FakeHostPairingController::PairingStageChanged(Stage new_stage) {
   switch (new_stage) {
     case STAGE_WAITING_FOR_CONTROLLER: {

components/pairing/fake_host_pairing_controller.h

@@ -42,6 +42,7 @@ class FakeHostPairingController
   virtual std::string GetConfirmationCode() OVERRIDE;
   virtual std::string GetEnrollmentDomain() OVERRIDE;
   virtual void OnUpdateStatusChanged(UpdateStatus update_status) OVERRIDE;
+  virtual void SetEnrollmentComplete(bool success) OVERRIDE;
 
  private:
   void ChangeStage(Stage new_stage);

components/pairing/host_pairing_controller.h

@@ -80,6 +80,9 @@ class HostPairingController {
   // Can be called on stage |STAGE_UPDATING|.
   virtual void OnUpdateStatusChanged(UpdateStatus update_status) = 0;
 
+  // Called when enrollment has completed.
+  virtual void SetEnrollmentComplete(bool success) = 0;
+
   virtual void AddObserver(Observer* observer) = 0;
   virtual void RemoveObserver(Observer* observer) = 0;