src: remove already elevated Isolate namespce

PR-URL: #26294
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

src/node_platform.cc

@@ -217,7 +217,7 @@ size_t BackgroundTaskRunner::NumberOfAvailableBackgroundThreads() const {
 }
 
 PerIsolatePlatformData::PerIsolatePlatformData(
-    v8::Isolate* isolate, uv_loop_t* loop)
+    Isolate* isolate, uv_loop_t* loop)
   : loop_(loop) {
   flush_tasks_ = new uv_async_t();
   CHECK_EQ(0, uv_async_init(loop, flush_tasks_, FlushTasks));
@@ -425,11 +425,11 @@ void NodePlatform::CallDelayedOnForegroundThread(Isolate* isolate,
     std::unique_ptr<Task>(task), delay_in_seconds);
 }
 
-bool NodePlatform::FlushForegroundTasks(v8::Isolate* isolate) {
+bool NodePlatform::FlushForegroundTasks(Isolate* isolate) {
   return ForIsolate(isolate)->FlushForegroundTasksInternal();
 }
 
-void NodePlatform::CancelPendingDelayedTasks(v8::Isolate* isolate) {
+void NodePlatform::CancelPendingDelayedTasks(Isolate* isolate) {
   ForIsolate(isolate)->CancelPendingDelayedTasks();
 }