Fixed name of the function to match design docs.

This is called there as Root Client Authorization Token (RCAT).

Change-Id: I906a6d887506369d3deb028636e2b630ef325b81
Reviewed-on: https://weave-review.googlesource.com/1884
Reviewed-by: Alex Vakulenko <avakulenko@google.com>
diff --git a/src/device_registration_info.cc b/src/device_registration_info.cc
index a6d863c..68c5505 100644
--- a/src/device_registration_info.cc
+++ b/src/device_registration_info.cc
@@ -936,7 +936,7 @@
   auth_info_update_inprogress_ = true;
 
   std::string id = GetSettings().device_id;
-  std::string token = Base64Encode(auth_manager_->GetRootDeviceToken());
+  std::string token = Base64Encode(auth_manager_->GetRootClientAuthToken());
   std::string fingerprint =
       Base64Encode(auth_manager_->GetCertificateFingerprint());
 
diff --git a/src/privet/auth_manager.cc b/src/privet/auth_manager.cc
index 49ef787..6a79b93 100644
--- a/src/privet/auth_manager.cc
+++ b/src/privet/auth_manager.cc
@@ -108,7 +108,7 @@
   return SplitTokenData(std::string(data.begin(), data.end()), time);
 }
 
-std::vector<uint8_t> AuthManager::GetRootDeviceToken() const {
+std::vector<uint8_t> AuthManager::GetRootClientAuthToken() const {
   Caveat scope{kUwMacaroonCaveatTypeScope, kUwMacaroonCaveatScopeTypeOwner};
   Caveat issued{kUwMacaroonCaveatTypeIssued,
                 static_cast<uint32_t>(Now().ToTimeT())};
diff --git a/src/privet/auth_manager.h b/src/privet/auth_manager.h
index b3a9599..b893be3 100644
--- a/src/privet/auth_manager.h
+++ b/src/privet/auth_manager.h
@@ -32,7 +32,7 @@
   const std::vector<uint8_t>& GetCertificateFingerprint() const {
     return certificate_fingerprint_;
   }
-  std::vector<uint8_t> GetRootDeviceToken() const;
+  std::vector<uint8_t> GetRootClientAuthToken() const;
 
   base::Time Now() const;
 
diff --git a/src/privet/auth_manager_unittest.cc b/src/privet/auth_manager_unittest.cc
index 4847e01..a7aa621 100644
--- a/src/privet/auth_manager_unittest.cc
+++ b/src/privet/auth_manager_unittest.cc
@@ -115,22 +115,22 @@
   }
 }
 
-TEST_F(AuthManagerTest, GetRootDeviceToken) {
+TEST_F(AuthManagerTest, GetRootClientAuthToken) {
   EXPECT_EQ("UFTBUcgd9d0HnPRnLeroN2mCQgECRgMaVArkgA==",
-            Base64Encode(auth_.GetRootDeviceToken()));
+            Base64Encode(auth_.GetRootClientAuthToken()));
 }
 
-TEST_F(AuthManagerTest, GetRootDeviceTokenDifferentTime) {
+TEST_F(AuthManagerTest, GetRootClientAuthTokenDifferentTime) {
   EXPECT_CALL(clock_, Now())
       .WillRepeatedly(Return(clock_.Now() + base::TimeDelta::FromDays(15)));
   EXPECT_EQ("UGKqwMYGQNOd8jeYFDOsM02CQgECRgMaVB6rAA==",
-            Base64Encode(auth_.GetRootDeviceToken()));
+            Base64Encode(auth_.GetRootClientAuthToken()));
 }
 
-TEST_F(AuthManagerTest, GetRootDeviceTokenDifferentSecret) {
+TEST_F(AuthManagerTest, GetRootClientAuthTokenDifferentSecret) {
   AuthManager auth{kSecret2, {}, &clock_};
   EXPECT_EQ("UK1ACOc3cWGjGBoTIX2bd3qCQgECRgMaVArkgA==",
-            Base64Encode(auth.GetRootDeviceToken()));
+            Base64Encode(auth.GetRootClientAuthToken()));
 }
 
 }  // namespace privet