easy-signin: Wire GetSignInChallenge.

chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.cc

 // Copyright 2014 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 "chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 523 matching lines @@
 }
 
 EasyUnlockPrivateGetSignInChallengeFunction::
     EasyUnlockPrivateGetSignInChallengeFunction() {
 }
 
 EasyUnlockPrivateGetSignInChallengeFunction::
     ~EasyUnlockPrivateGetSignInChallengeFunction() {
 }
 
-bool EasyUnlockPrivateGetSignInChallengeFunction::RunAsync() {
-  SetError("Not implemented");
-  SendResponse(false);
+bool EasyUnlockPrivateGetSignInChallengeFunction::RunSync() {
+  Profile* profile = Profile::FromBrowserContext(browser_context());
+  const std::string challenge =
+      EasyUnlockService::Get(profile)->GetChallenge();
+  if (!challenge.empty()) {
+    results_ =
+        easy_unlock_private::GetSignInChallenge::Results::Create(challenge);
+  }
   return true;
 }
 
 EasyUnlockPrivateTrySignInSecretFunction::
     EasyUnlockPrivateTrySignInSecretFunction() {
 }
 
 EasyUnlockPrivateTrySignInSecretFunction::
     ~EasyUnlockPrivateTrySignInSecretFunction() {
 }
 
 bool EasyUnlockPrivateTrySignInSecretFunction::RunAsync() {
   SetError("Not implemented");
   SendResponse(false);
   return true;
 }
 
 }  // namespace api
 }  // namespace extensions