easy-signin: Wire GetSignInChallenge.

chrome/browser/signin/easy_unlock_service_signin_chromeos.h

Index: chrome/browser/signin/easy_unlock_service_signin_chromeos.h
diff --git a/chrome/browser/signin/easy_unlock_service_signin_chromeos.h b/chrome/browser/signin/easy_unlock_service_signin_chromeos.h
index ef2f7cfa3207e8e9cc63abca1744ed10ec8b438b..980afc5169d422c691d833294b4f0cc0a15f147e 100644
--- a/chrome/browser/signin/easy_unlock_service_signin_chromeos.h
+++ b/chrome/browser/signin/easy_unlock_service_signin_chromeos.h
@@ -8,14 +8,24 @@
 #include <string>
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/chromeos/login/easy_unlock/easy_unlock_types.h"
 #include "chrome/browser/signin/easy_unlock_service.h"
 
+namespace base {
+class DictionaryValue;
+class ListValue;
+}
+
 // EasyUnlockService instance that should be used for signin profile.
 class EasyUnlockServiceSignin : public EasyUnlockService {
  public:
   explicit EasyUnlockServiceSignin(Profile* profile);
   virtual ~EasyUnlockServiceSignin();
 
+  void SetAssociatedUser(const std::string& user_id);
+
  private:
   // EasyUnlockService implementation:
   virtual EasyUnlockService::Type GetType() const OVERRIDE;
@@ -30,9 +40,27 @@ class EasyUnlockServiceSignin : public EasyUnlockService {
   virtual void RunTurnOffFlow() OVERRIDE;
   virtual void ResetTurnOffFlow() OVERRIDE;
   virtual TurnOffFlowStatus GetTurnOffFlowStatus() const OVERRIDE;
+  virtual std::string GetChallenge() const OVERRIDE;
   virtual bool IsAllowedInternal() OVERRIDE;
   virtual void InitializeInternal() OVERRIDE;
 
+  // Fetches |remote_devices_| info from cryptohome keys.
+  void FetchCryptohomeKeys();
+
+  // Callback invoked when the cryptohome keys are fetched.
+  void OnCryptohomeKeysFetched(
+      bool success,
+      const chromeos::EasyUnlockDeviceKeyDataList& devices);
+
+  // User id of the associated user.
+  std::string user_id_;
+
+  // Remote devices of the associated user.
+  chromeos::EasyUnlockDeviceKeyDataList remote_devices_;
+  scoped_ptr<base::ListValue> remote_devices_value_;
+
+  base::WeakPtrFactory<EasyUnlockServiceSignin> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockServiceSignin);
 };