Refactor ProximityAuthUIDelegate functions to ProximityAuthClient.

chrome/browser/signin/chrome_proximity_auth_client.h

Index: chrome/browser/signin/chrome_proximity_auth_client.h
diff --git a/chrome/browser/signin/chrome_proximity_auth_client.h b/chrome/browser/signin/chrome_proximity_auth_client.h
index 53bc6e223724e9e2215c901e71188a802fd48d5e..7a0815e36f46a34bf9368a4eafb58d4f15b1b8f0 100644
--- a/chrome/browser/signin/chrome_proximity_auth_client.h
+++ b/chrome/browser/signin/chrome_proximity_auth_client.h
@@ -8,7 +8,9 @@
 #include "base/macros.h"
 #include "components/proximity_auth/proximity_auth_client.h"
 
+class PrefService;
 class Profile;
+class EasyUnlockServiceRegular;
 
 // A Chrome-specific implementation of the ProximityAuthClient interface.
 // There is one |ChromeProximityAuthClient| per |Profile|.
@@ -21,6 +23,16 @@ class ChromeProximityAuthClient : public proximity_auth::ProximityAuthClient {
   std::string GetAuthenticatedUsername() const override;
   void UpdateScreenlockState(proximity_auth::ScreenlockState state) override;
   void FinalizeUnlock(bool success) override;
+  PrefService* GetPrefService() override;
+  scoped_ptr<proximity_auth::SecureMessageDelegate>
+  CreateSecureMessageDelegate() override;
+  scoped_ptr<proximity_auth::CryptAuthClientFactory>
+  CreateCryptAuthClientFactory() override;
+  cryptauth::DeviceClassifier GetDeviceClassifier() override;
+  std::string GetAccountId() override;
+  proximity_auth::CryptAuthEnrollmentManager* GetCryptAuthEnrollmentManager()
+      override;
+  proximity_auth::CryptAuthDeviceManager* GetCryptAuthDeviceManager() override;
   void FinalizeSignin(const std::string& secret) override;
 
  private: