Remove time ticks metrics and MetricServiceClient::OnLogUploadComplete

blimp/engine/app/blimp_metrics_service_client.cc

Index: blimp/engine/app/blimp_metrics_service_client.cc
diff --git a/blimp/engine/app/blimp_metrics_service_client.cc b/blimp/engine/app/blimp_metrics_service_client.cc
index 181eef0d0698a4b08d57ba25af8fa05d05ee7a95..8d66b66024481945b6283df4f3f8f1a7085dda47 100644
--- a/blimp/engine/app/blimp_metrics_service_client.cc
+++ b/blimp/engine/app/blimp_metrics_service_client.cc
@@ -121,8 +121,6 @@ std::string BlimpMetricsServiceClient::GetVersionString() {
   return version_info::GetVersionNumber();
 }
 
-void BlimpMetricsServiceClient::OnLogUploadComplete() {}
-
 void BlimpMetricsServiceClient::InitializeSystemProfileMetrics(
     const base::Closure& done_callback) {
   // Blimp requires no additional work to InitializeSystemProfileMetrics