[TaskEnvironment] Mass-migrate away from ScopedTaskEnvironment

(second half of
 https://chromium-review.googlesource.com/c/chromium/src/+/1756247)

This is step #1 of the mass migration. Some of these will be
backported to SingleThreadTaskEnvironment in a later phase.

scoped_task_environment.h will also only move in a follow-up CL.

[email protected]

Bug: 992483
Change-Id: Ie80f083eeeb209180ab3c2884f1b566f73549cc6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1756248
Reviewed-by: Gabriel Charette <[email protected]>
Reviewed-by: Daniel Cheng <[email protected]>
Commit-Queue: Gabriel Charette <[email protected]>
Cr-Commit-Position: refs/heads/master@{#688142}
diff --git a/components/update_client/crx_downloader_unittest.cc b/components/update_client/crx_downloader_unittest.cc
index 03c90026..40bbd3bb4 100644
--- a/components/update_client/crx_downloader_unittest.cc
+++ b/components/update_client/crx_downloader_unittest.cc
@@ -91,7 +91,7 @@
   static const int kExpectedContext = 0xaabb;
 
  private:
-  base::test::ScopedTaskEnvironment scoped_task_environment_;
+  base::test::TaskEnvironment task_environment_;
   scoped_refptr<network::SharedURLLoaderFactory>
       test_shared_url_loader_factory_;
   base::OnceClosure quit_closure_;
@@ -109,8 +109,7 @@
       crx_context_(0),
       num_download_complete_calls_(0),
       num_progress_calls_(0),
-      scoped_task_environment_(
-          base::test::ScopedTaskEnvironment::MainThreadType::IO),
+      task_environment_(base::test::TaskEnvironment::MainThreadType::IO),
       test_shared_url_loader_factory_(
           base::MakeRefCounted<network::WeakWrapperSharedURLLoaderFactory>(
               &test_url_loader_factory_)) {}
@@ -186,7 +185,7 @@
 }
 
 void CrxDownloaderTest::RunThreadsUntilIdle() {
-  scoped_task_environment_.RunUntilIdle();
+  task_environment_.RunUntilIdle();
   base::RunLoop().RunUntilIdle();
 }