Revert "Report data usage UMA for Chrome services"

sync/internal_api/syncapi_server_connection_manager_unittest.cc

Index: sync/internal_api/syncapi_server_connection_manager_unittest.cc
diff --git a/sync/internal_api/syncapi_server_connection_manager_unittest.cc b/sync/internal_api/syncapi_server_connection_manager_unittest.cc
index e438ac181fc06e9c8a17f9a68b6cd76841d8e1da..10dc311832c23104d9dc10c2961467950ec0deda 100644
--- a/sync/internal_api/syncapi_server_connection_manager_unittest.cc
+++ b/sync/internal_api/syncapi_server_connection_manager_unittest.cc
@@ -51,9 +51,7 @@ class BlockingHttpPost : public HttpPostProviderInterface {
 class BlockingHttpPostFactory : public HttpPostProviderFactory {
  public:
   ~BlockingHttpPostFactory() override {}
-  void Init(const std::string& user_agent,
-            const BindToTrackerCallback& bind_to_tracker_callback) override {}
-
+  void Init(const std::string& user_agent) override {}
   HttpPostProviderInterface* Create() override {
     return new BlockingHttpPost();
   }