refactor: avoid deprecated v8::Context::GetIsolate() calls (pt 1) (#47843)

* refactor: avoid redundant GetIsolate() calls in NodeBindings::CreateEnvironment()

Xref: https://chromium-review.googlesource.com/c/v8/v8/+/6563615

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* refactor: use v8::Isolate::GetCurrent() in Initialize() methods

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* refactor: add v8::Isolate* arg to NodeBindings::CreateEnvironment()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* fixup! refactor: use v8::Isolate::GetCurrent() in Initialize() methods

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* refactor: add v8::Isolate* arg to RendererClientBase::DidCreateScriptContext()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* fixup! refactor: add v8::Isolate* arg to NodeBindings::CreateEnvironment()

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* fixup! fixup! refactor: use v8::Isolate::GetCurrent() in Initialize() methods

refactor: prefer JavascriptEnvironment::GetIsolate() in the browser layer

Co-authored-by: Charles Kerr <charles@charleskerr.com>

---------

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Charles Kerr <charles@charleskerr.com>

shell/renderer/electron_render_frame_observer.cc

@@ -123,7 +123,8 @@ void ElectronRenderFrameObserver::DidInstallConditionalFeatures(
       context, v8::MicrotasksScope::kDoNotRunMicrotasks);
 
   if (ShouldNotifyClient(world_id))
-    renderer_client_->DidCreateScriptContext(context, render_frame_);
+    renderer_client_->DidCreateScriptContext(v8::Isolate::GetCurrent(), context,
+                                             render_frame_);
 
   auto prefs = render_frame_->GetBlinkPreferences();
   bool use_context_isolation = prefs.context_isolation;