Initialize TaskScheduler in renderers.

content/public/renderer/content_renderer_client.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #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"
 #include "ui/gfx/icc_profile.h"
 #include "url/gurl.h"
 
 namespace content {
 
 SkBitmap* ContentRendererClient::GetSadPluginBitmap() {
   return nullptr;
@@ skipping 20 matching lines @@
 bool ContentRendererClient::HasErrorPage(int http_status_code,
                                          std::string* error_domain) {
   return false;
 }
 
 bool ContentRendererClient::ShouldSuppressErrorPage(RenderFrame* render_frame,
                                                     const GURL& url) {
   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,
     const base::Closure& closure) {
   closure.Run();
 }
 
 blink::WebMediaStreamCenter*
 ContentRendererClient::OverrideCreateWebMediaStreamCenter(
     blink::WebMediaStreamCenterClient* client) {
@@ skipping 175 matching lines @@
 
 bool ContentRendererClient::ShouldEnforceWebRTCRoutingPreferences() {
   return true;
 }
 
 GURL ContentRendererClient::OverrideFlashEmbedWithHTML(const GURL& url) {
   return GURL();
 }
 
 }  // namespace content