Revert "Report data usage UMA for Chrome services"

sync/internal_api/syncapi_server_connection_manager_unittest.cc

 // Copyright (c) 2012 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 "sync/internal_api/syncapi_server_connection_manager.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 33 matching lines @@
     return std::string();
   }
   void Abort() override { wait_for_abort_.Signal(); }
  private:
   base::WaitableEvent wait_for_abort_;
 };
 
 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();
   }
   void Destroy(HttpPostProviderInterface* http) override {
     delete static_cast<BlockingHttpPost*>(http);
   }
 };
 
 }  // namespace
 
@@ skipping 53 matching lines @@
   bool result = server.PostBufferToPath(
       &params, "/testpath", "testauth", &watcher);
 
   EXPECT_FALSE(result);
   EXPECT_EQ(HttpResponse::CONNECTION_UNAVAILABLE,
             params.response.server_status);
   abort_thread.Stop();
 }
 
 }  // namespace syncer