Revert "Report data usage UMA for Chrome services"

chrome/browser/sync/test/test_http_bridge_factory.cc

Index: chrome/browser/sync/test/test_http_bridge_factory.cc
diff --git a/chrome/browser/sync/test/test_http_bridge_factory.cc b/chrome/browser/sync/test/test_http_bridge_factory.cc
index f9ee2822b711913445d542cc1d95ef2d7085fe56..23b2c0e8fb54fd0641846c6eea1d9bb0fa8b9219 100644
--- a/chrome/browser/sync/test/test_http_bridge_factory.cc
+++ b/chrome/browser/sync/test/test_http_bridge_factory.cc
@@ -31,9 +31,7 @@ TestHttpBridgeFactory::TestHttpBridgeFactory() {}
 
 TestHttpBridgeFactory::~TestHttpBridgeFactory() {}
 
-void TestHttpBridgeFactory::Init(
-    const std::string& user_agent,
-    const syncer::BindToTrackerCallback& bind_to_tracker_callback) {}
+void TestHttpBridgeFactory::Init(const std::string& user_agent) {}
 
 syncer::HttpPostProviderInterface* TestHttpBridgeFactory::Create() {
   return new TestHttpBridge();