Revert "src: fix GetCpuProfiler() deprecation warning"

This reverts commit f02b74d.

PR-URL: nodejs/node#19989
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matheus Marchini <matheus@sthima.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

src/env.cc

@@ -1,5 +1,6 @@
 #include "node_internals.h"
 #include "async_wrap.h"
+#include "v8-profiler.h"
 #include "node_buffer.h"
 #include "node_platform.h"
 #include "node_file.h"
@@ -73,15 +74,6 @@ IsolateData::IsolateData(Isolate* isolate,
 IsolateData::~IsolateData() {
   if (platform_ != nullptr)
     platform_->UnregisterIsolate(this);
-  if (cpu_profiler_ != nullptr)
-    cpu_profiler_->Dispose();
-}
-
-v8::CpuProfiler* IsolateData::GetCpuProfiler() {
-  if (cpu_profiler_ != nullptr) return cpu_profiler_;
-  cpu_profiler_ = v8::CpuProfiler::New(isolate());
-  CHECK_NOT_NULL(cpu_profiler_);
-  return cpu_profiler_;
 }
 
 
@@ -260,12 +252,12 @@ void Environment::CleanupHandles() {
 void Environment::StartProfilerIdleNotifier() {
   uv_prepare_start(&idle_prepare_handle_, [](uv_prepare_t* handle) {
     Environment* env = ContainerOf(&Environment::idle_prepare_handle_, handle);
-    env->isolate_data()->GetCpuProfiler()->SetIdle(true);
+    env->isolate()->GetCpuProfiler()->SetIdle(true);
   });
 
   uv_check_start(&idle_check_handle_, [](uv_check_t* handle) {
     Environment* env = ContainerOf(&Environment::idle_check_handle_, handle);
-    env->isolate_data()->GetCpuProfiler()->SetIdle(false);
+    env->isolate()->GetCpuProfiler()->SetIdle(false);
   });
 }
 

src/env.h

@@ -32,7 +32,6 @@
 #include "req_wrap.h"
 #include "util.h"
 #include "uv.h"
-#include "v8-profiler.h"
 #include "v8.h"
 #include "node.h"
 #include "node_http2_state.h"
@@ -369,8 +368,6 @@ class IsolateData {
   std::unordered_map<nghttp2_rcbuf*, v8::Eternal<v8::String>> http2_static_strs;
   inline v8::Isolate* isolate() const;
 
-  v8::CpuProfiler* GetCpuProfiler();
-
  private:
 #define VP(PropertyName, StringValue) V(v8::Private, PropertyName)
 #define VS(PropertyName, StringValue) V(v8::String, PropertyName)
@@ -386,7 +383,6 @@ class IsolateData {
   uv_loop_t* const event_loop_;
   uint32_t* const zero_fill_field_;
   MultiIsolatePlatform* platform_;
-  v8::CpuProfiler* cpu_profiler_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(IsolateData);
 };