Use TaskScheduler instead of blocking pool in clipboard_message_filter.cc.

content/browser/renderer_host/clipboard_message_filter.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/clipboard_message_filter.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/pickle.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/threading/sequenced_worker_pool.h"
+#include "base/task_scheduler/post_task.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "content/browser/blob_storage/chrome_blob_storage_context.h"
 #include "content/common/clipboard_messages.h"
 #include "content/public/browser/blob_handle.h"
 #include "content/public/browser/browser_context.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/clipboard/custom_data_helper.h"
@@ skipping 147 matching lines @@
 
 void ClipboardMessageFilter::OnReadRTF(ui::ClipboardType type,
                                        std::string* result) {
   GetClipboard()->ReadRTF(type, result);
 }
 
 void ClipboardMessageFilter::OnReadImage(ui::ClipboardType type,
                                          IPC::Message* reply_msg) {
   SkBitmap bitmap = GetClipboard()->ReadImage(type);
 
-  BrowserThread::GetBlockingPool()
-      ->GetTaskRunnerWithShutdownBehavior(
-          base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)
-      ->PostTask(FROM_HERE,
-                 base::Bind(&ClipboardMessageFilter::ReadAndEncodeImage, this,
-                            bitmap, reply_msg));
+  base::PostTaskWithTraits(
+      FROM_HERE,
+      base::TaskTraits()
+          .MayBlock()
+          .WithPriority(base::TaskPriority::BACKGROUND)
+          .WithShutdownBehavior(base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN),
+      base::BindOnce(&ClipboardMessageFilter::ReadAndEncodeImage, this, bitmap,
+                     reply_msg));
 }
 
 void ClipboardMessageFilter::ReadAndEncodeImage(const SkBitmap& bitmap,
                                                 IPC::Message* reply_msg) {
   if (!bitmap.isNull()) {
     std::unique_ptr<std::vector<uint8_t>> png_data(new std::vector<uint8_t>);
     if (gfx::PNGCodec::FastEncodeBGRASkBitmap(bitmap, false, png_data.get())) {
       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           base::Bind(&ClipboardMessageFilter::OnReadAndEncodeImageFinished,
@@ skipping 125 matching lines @@
 
 // static
 ui::Clipboard* ClipboardMessageFilter::GetClipboard() {
   // We have a static instance of the clipboard service for use by all message
   // filters.  This instance lives for the life of the browser processes.
   static ui::Clipboard* clipboard = ui::Clipboard::GetForCurrentThread();
   return clipboard;
 }
 
 }  // namespace content