Use TaskScheduler::InitParams to initialize TaskScheduler in child processes.

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 78652124c990f33b9655cd79a2a1da0cb2812b08..2dbfadb6d614bf53e152af3cb16a48aeafdf7040 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -1519,14 +1519,8 @@ 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::TaskScheduler::InitParams>
+ChromeContentRendererClient::GetTaskSchedulerInitParams() {
+  return task_scheduler_util::
+      GetRendererTaskSchedulerInitParamsFromCommandLine();
 }