Use TaskScheduler instead of blocking pool in render_widget_host_impl.cc.

content/browser/site_instance_impl_unittest.cc

Index: content/browser/site_instance_impl_unittest.cc
diff --git a/content/browser/site_instance_impl_unittest.cc b/content/browser/site_instance_impl_unittest.cc
index 2523cfc34799977f20dfeb6098aac3477236cd73..043085b8c586d358677e5f12f6244ba0e025f033 100644
--- a/content/browser/site_instance_impl_unittest.cc
+++ b/content/browser/site_instance_impl_unittest.cc
@@ -28,7 +28,7 @@
 #include "content/public/common/url_utils.h"
 #include "content/public/test/mock_render_process_host.h"
 #include "content/public/test/test_browser_context.h"
-#include "content/public/test/test_browser_thread.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "content/public/test/test_utils.h"
 #include "content/test/test_content_browser_client.h"
 #include "content/test/test_content_client.h"
@@ -95,12 +95,7 @@ class SiteInstanceTestBrowserClient : public TestContentBrowserClient {
 
 class SiteInstanceTest : public testing::Test {
  public:
-  SiteInstanceTest()
-      : ui_thread_(BrowserThread::UI, &message_loop_),
-        file_user_blocking_thread_(BrowserThread::FILE_USER_BLOCKING,
-                                   &message_loop_),
-        io_thread_(BrowserThread::IO, &message_loop_),
-        old_browser_client_(nullptr) {}
+  SiteInstanceTest() : old_browser_client_(nullptr) {}
 
   void SetUp() override {
     old_browser_client_ = SetBrowserClientForTesting(&browser_client_);
@@ -143,10 +138,7 @@ class SiteInstanceTest : public testing::Test {
   SiteInstanceTestBrowserClient* browser_client() { return &browser_client_; }
 
  private:
-  base::MessageLoopForUI message_loop_;
-  TestBrowserThread ui_thread_;
-  TestBrowserThread file_user_blocking_thread_;
-  TestBrowserThread io_thread_;
+  TestBrowserThreadBundle test_browser_thread_bundle_;
 
   SiteInstanceTestBrowserClient browser_client_;
   ContentBrowserClient* old_browser_client_;