Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/notifications/platform_notification_context_unittest.cc

Index: content/browser/notifications/platform_notification_context_unittest.cc
diff --git a/content/browser/notifications/platform_notification_context_unittest.cc b/content/browser/notifications/platform_notification_context_unittest.cc
index 4560f7d5c1879f95888f52b74aea492cc8ca6a94..30ab46a78fab77bd475b57827959871fd4367529 100644
--- a/content/browser/notifications/platform_notification_context_unittest.cc
+++ b/content/browser/notifications/platform_notification_context_unittest.cc
@@ -6,7 +6,6 @@
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/run_loop.h"
-#include "base/thread_task_runner_handle.h"
 #include "content/browser/notifications/platform_notification_context_impl.h"
 #include "content/browser/service_worker/embedded_worker_test_helper.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
@@ -100,7 +99,7 @@ class PlatformNotificationContextTest : public ::testing::Test {
   // Overrides the task runner in |context| with the current message loop
   // proxy, to reduce the number of threads involved in the tests.
   void OverrideTaskRunnerForTesting(PlatformNotificationContextImpl* context) {
-    context->SetTaskRunnerForTesting(base::ThreadTaskRunnerHandle::Get());
+    context->SetTaskRunnerForTesting(base::MessageLoopProxy::current());
   }
 
   // Returns the testing browsing context that can be used for this test.