plumb network upload into the task manager

chrome/browser/task_manager/test_task_manager.cc

Index: chrome/browser/task_manager/test_task_manager.cc
diff --git a/chrome/browser/task_manager/test_task_manager.cc b/chrome/browser/task_manager/test_task_manager.cc
index 5b90af6f500e3eb519707ee3f29d2110fd7f274b..d07ed1004c82dc251ba0a94600aefd8cadc8c30c 100644
--- a/chrome/browser/task_manager/test_task_manager.cc
+++ b/chrome/browser/task_manager/test_task_manager.cc
@@ -135,11 +135,20 @@ void TestTaskManager::GetTerminationStatus(TaskId task_id,
 }
 
 int64_t TestTaskManager::GetNetworkUsage(TaskId task_id) const {
-  return -1;
+  return 0;
 }
 
 int64_t TestTaskManager::GetProcessTotalNetworkUsage(TaskId task_id) const {
-  return -1;
+  return 0;
+}
+
+int64_t TestTaskManager::GetCumulativeNetworkUsage(TaskId task_id) const {
+  return 0;
+}
+
+int64_t TestTaskManager::GetCumulativeProcessTotalNetworkUsage(
+    TaskId task_id) const {
+  return 0;
 }
 
 int64_t TestTaskManager::GetSqliteMemoryUsed(TaskId task_id) const {