Initialize TaskScheduler in renderers.

content/public/renderer/content_renderer_client.cc

Index: content/public/renderer/content_renderer_client.cc
diff --git a/content/public/renderer/content_renderer_client.cc b/content/public/renderer/content_renderer_client.cc
index 642521f5819662f50c28f83e12418c2ca6632a26..1113de0ab1f2879a09d5bdf8973fe0ae31bccc55 100644
--- a/content/public/renderer/content_renderer_client.cc
+++ b/content/public/renderer/content_renderer_client.cc
@@ -4,6 +4,8 @@
 
 #include "content/public/renderer/content_renderer_client.h"
 
+#include "base/task_scheduler/initialization_util.h"
+#include "base/time/time.h"
 #include "cc/blimp/remote_compositor_bridge.h"
 #include "content/public/renderer/media_stream_renderer_factory.h"
 #include "media/base/renderer_factory.h"
@@ -44,6 +46,33 @@ bool ContentRendererClient::ShouldSuppressErrorPage(RenderFrame* render_frame,
   return false;
 }
 
+void ContentRendererClient::GetTaskSchedulerInitializationArguments(
+    int* max_background_threads,
+    base::TimeDelta* background_reclaim_time,
+    int* max_foreground_threads,
+    base::TimeDelta* foreground_reclaim_time,
+    bool* redirect_sequenced_worker_pool) {
+  constexpr int kBackgroundMin = 3;
+  constexpr int kBackgroundMax = 8;
+  constexpr double kBackgroundCoresMultiplier = 0.1;
+  constexpr int kBackgroundOffset = 0;
+  *max_background_threads = base::MaxNumberOfThreadsInPool(
+      kBackgroundMin, kBackgroundMax, kBackgroundCoresMultiplier,
+      kBackgroundOffset);
+  *background_reclaim_time = base::TimeDelta::FromSeconds(30);
+
+  constexpr int kForegroundMin = 8;
+  constexpr int kForegroundMax = 32;
+  constexpr double kForegroundCoresMultiplier = 0.3;
+  constexpr int kForegroundOffset = 0;
+  *max_foreground_threads = base::MaxNumberOfThreadsInPool(
+      kForegroundMin, kForegroundMax, kForegroundCoresMultiplier,
+      kForegroundOffset);
+  *foreground_reclaim_time = base::TimeDelta::FromSeconds(30);
+
+  *redirect_sequenced_worker_pool = false;
+}
+
 void ContentRendererClient::DeferMediaLoad(
     RenderFrame* render_frame,
     bool has_played_media_before,