[reference - do not submit] Always create four pools in TaskSchedulerImpl.

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index af761dcb5b2b5b1a0549e096fb8ad7aa82879132..9f511b9d85577cec0954340e50eb61638a0099af 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -1512,14 +1512,8 @@ GURL ChromeContentRendererClient::OverrideFlashEmbedWithHTML(const GURL& url) {
   return corrected_url.ReplaceComponents(r);
 }
 
-void ChromeContentRendererClient::GetTaskSchedulerInitializationParams(
-    std::vector<base::SchedulerWorkerPoolParams>* params_vector,
-    base::TaskScheduler::WorkerPoolIndexForTraitsCallback*
-        index_to_traits_callback) {
-  DCHECK(params_vector);
-  DCHECK(index_to_traits_callback);
-  // If this call fails, content will fall back to the default params.
-  *params_vector = task_scheduler_util::GetRendererWorkerPoolParams();
-  *index_to_traits_callback =
-      base::Bind(&task_scheduler_util::RendererWorkerPoolIndexForTraits);
+std::unique_ptr<base::TaskSchedulerInitParams>
+ChromeContentRendererClient::GetTaskSchedulerInitParams() {
+  return task_scheduler_util::
+      GetRendererTaskSchedulerInitParamsFromCommandLine();
 }