Task manager should support Idle Wakeups on Windows

chrome/browser/task_management/sampling/task_manager_impl.cc

Index: chrome/browser/task_management/sampling/task_manager_impl.cc
diff --git a/chrome/browser/task_management/sampling/task_manager_impl.cc b/chrome/browser/task_management/sampling/task_manager_impl.cc
index 551945d7f20249cd8671d54d93d232b18e2edecc..946abd44f1344956546c34b20b1b854a4dac8e13 100644
--- a/chrome/browser/task_management/sampling/task_manager_impl.cc
+++ b/chrome/browser/task_management/sampling/task_manager_impl.cc
@@ -17,6 +17,7 @@
 #include "chrome/browser/task_management/providers/browser_process_task_provider.h"
 #include "chrome/browser/task_management/providers/child_process_task_provider.h"
 #include "chrome/browser/task_management/providers/web_contents/web_contents_task_provider.h"
+#include "chrome/browser/task_management/sampling/shared_sampler.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/gpu_data_manager.h"
 
@@ -42,10 +43,11 @@ base::LazyInstance<TaskManagerImpl> lazy_task_manager_instance =
 }  // namespace
 
 TaskManagerImpl::TaskManagerImpl()
-    : on_background_data_ready_callback_(base::Bind(
-          &TaskManagerImpl::OnTaskGroupBackgroundCalculationsDone,
-          base::Unretained(this))),
+    : on_background_data_ready_callback_(
+          base::Bind(&TaskManagerImpl::OnTaskGroupBackgroundCalculationsDone,
+                     base::Unretained(this))),
       blocking_pool_runner_(GetBlockingPoolRunner()),
+      shared_sampler_(new SharedSampler(blocking_pool_runner_)),
       is_running_(false) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
@@ -371,10 +373,9 @@ void TaskManagerImpl::TaskAdded(Task* task) {
 
   auto itr = task_groups_by_proc_id_.find(proc_id);
   if (itr == task_groups_by_proc_id_.end()) {
-    task_group = new TaskGroup(task->process_handle(),
-                               proc_id,
+    task_group = new TaskGroup(task->process_handle(), proc_id,
                                on_background_data_ready_callback_,
-                               blocking_pool_runner_);
+                               shared_sampler_, blocking_pool_runner_);
     task_groups_by_proc_id_[proc_id] = task_group;
   } else {
     task_group = itr->second;