Use TaskScheduler instead of blocking pool in render_widget_host_impl.cc.

content/browser/renderer_host/render_widget_host_impl.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/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 
 #include <set>
 #include <tuple>
 #include <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/i18n/rtl.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/task_scheduler/post_task.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "cc/base/switches.h"
 #include "cc/output/compositor_frame.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/bad_message.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/gpu/compositor_util.h"
@@ skipping 254 matching lines @@
           base::TimeDelta::FromMilliseconds(kNewContentRenderingDelayMs)),
       weak_factory_(this) {
   CHECK(delegate_);
   CHECK_NE(MSG_ROUTING_NONE, routing_id_);
   latency_tracker_.SetDelegate(delegate_);
 
 #if defined(OS_WIN)
   // Update the display color profile cache so that it is likely to be up to
   // date when the renderer process requests the color profile.
   if (gfx::ICCProfile::CachedProfilesNeedUpdate()) {
-    BrowserThread::PostBlockingPoolTask(
-        FROM_HERE,
+    base::PostTaskWithTraits(
+        FROM_HERE, base::TaskTraits().MayBlock().WithPriority(
+                       base::TaskPriority::BACKGROUND),
         base::Bind(&gfx::ICCProfile::UpdateCachedProfilesOnBackgroundThread));
   }
 #endif
 
   std::pair<RoutingIDWidgetMap::iterator, bool> result =
       g_routing_id_widget_map.Get().insert(std::make_pair(
           RenderWidgetHostID(process->GetID(), routing_id_), this));
   CHECK(result.second) << "Inserting a duplicate item!";
   process_->AddRoute(routing_id_, this);
 
@@ skipping 2193 matching lines @@
     // different from the receiver's.
     file_system_file.url =
         GURL(storage::GetIsolatedFileSystemRootURIString(
                  file_system_url.origin(), filesystem_id, std::string())
                  .append(register_name));
     file_system_file.filesystem_id = filesystem_id;
   }
 }
 
 }  // namespace content