Add process start time and CPU time columns to task manager

chrome/browser/task_manager/sampling/task_manager_impl.cc

Index: chrome/browser/task_manager/sampling/task_manager_impl.cc
diff --git a/chrome/browser/task_manager/sampling/task_manager_impl.cc b/chrome/browser/task_manager/sampling/task_manager_impl.cc
index fb8121d8461ead13f9ec34a048f0f6b919e14325..dfed65a971cf3fa535f373a53e1eb853cbfe5444 100644
--- a/chrome/browser/task_manager/sampling/task_manager_impl.cc
+++ b/chrome/browser/task_manager/sampling/task_manager_impl.cc
@@ -93,6 +93,24 @@ double TaskManagerImpl::GetCpuUsage(TaskId task_id) const {
   return GetTaskGroupByTaskId(task_id)->cpu_usage();
 }
 
+base::Time TaskManagerImpl::GetStartTime(TaskId task_id) const {
+#if defined(OS_WIN)
+  return GetTaskGroupByTaskId(task_id)->start_time();
+#else
+  NOTIMPLEMENTED();
+  return base::Time();
+#endif
+}
+
+base::TimeDelta TaskManagerImpl::GetCpuTime(TaskId task_id) const {
+#if defined(OS_WIN)
+  return GetTaskGroupByTaskId(task_id)->cpu_time();
+#else
+  NOTIMPLEMENTED();
+  return base::TimeDelta();
+#endif
+}
+
 int64_t TaskManagerImpl::GetPhysicalMemoryUsage(TaskId task_id) const {
   return GetTaskGroupByTaskId(task_id)->physical_bytes();
 }